form.cpp

Linux下的基于X11的图形开发环境。

    /* qmake ignore Q_OBJECT */
    out << "    Q_OBJECT" << endl;
    out << endl;
    out << "public:" << endl;

    // constructor
    if ( objClass == "QDialog" || objClass == "QWizard" ) {
	out << "    " << bareNameOfClass << "( QWidget* parent = 0, const char* name = 0, bool modal = FALSE, WFlags fl = 0 );" << endl;
    } else if ( objClass == "QWidget" ) {
	out << "    " << bareNameOfClass << "( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );" << endl;
    } else if ( objClass == "QMainWindow" ) {
	out << "    " << bareNameOfClass << "( QWidget* parent = 0, const char* name = 0, WFlags fl = WType_TopLevel );" << endl;
	isMainWindow = TRUE;
    } else {
	out << "    " << bareNameOfClass << "( QWidget* parent = 0, const char* name = 0 );" << endl;
    }

    // destructor
    out << "    ~" << bareNameOfClass << "();" << endl;
    out << endl;

    // children
    bool needPolish = FALSE;
    nl = e.parentNode().toElement().elementsByTagName( "widget" );
    for ( i = 1; i < (int) nl.length(); i++ ) { // start at 1, 0 is the toplevel widget
	n = nl.item(i).toElement();
	createObjectDecl( n );
	QString s = getClassName( n );
	if ( s == "QDataTable" || s == "QDataBrowser" ) {
	    if ( isFrameworkCodeGenerated( n ) )
		 needPolish = TRUE;
	}
    }

    // actions, toolbars, menus
    for ( n = e; !n.isNull(); n = n.nextSibling().toElement() ) {
	if ( n.tagName()  == "actions" ) {
	    for ( QDomElement a = n.firstChild().toElement(); !a.isNull(); a = a.nextSibling().toElement() )
		createActionDecl( a );
	} else if ( n.tagName() == "toolbars" ) {
	    for ( QDomElement a = n.firstChild().toElement(); !a.isNull(); a = a.nextSibling().toElement() )
		createToolbarDecl( a );
	} else if ( n.tagName() == "menubar" ) {
	    out << "    " << "QMenuBar *" << getObjectName( n ) << ";" << endl;

	    for ( QDomElement a = n.firstChild().toElement(); !a.isNull(); a = a.nextSibling().toElement() )
		createMenuBarDecl( a );
	}
    }
    out << endl;

    // database connections
    dbConnections = unique( dbConnections );
    bool hadOutput = FALSE;
    for ( it = dbConnections.begin(); it != dbConnections.end(); ++it ) {
	if ( !(*it).isEmpty() ) {
	    // only need pointers to non-default connections
	    if ( (*it) != "(default)" && !(*it).isEmpty() ) {
		out << indent << "QSqlDatabase* " << *it << "Connection;" << endl;
		hadOutput = TRUE;
	    }
	}
    }
    if ( hadOutput )
	out << endl;

    QStringList publicSlots, protectedSlots, privateSlots;
    QStringList publicSlotTypes, protectedSlotTypes, privateSlotTypes;
    QStringList publicSlotSpecifier, protectedSlotSpecifier, privateSlotSpecifier;

    nl = e.parentNode().toElement().elementsByTagName( "slot" );
    for ( i = 0; i < (int) nl.length(); i++ ) {
	n = nl.item(i).toElement();
	if ( n.parentNode().toElement().tagName() != "slots"
	     && n.parentNode().toElement().tagName() != "connections" )
	    continue;
	if ( n.attribute( "language", "C++" ) != "C++" )
	    continue;
	QString returnType = n.attribute( "returnType", "void" );
	QString functionName = n.firstChild().toText().data().stripWhiteSpace();
	if ( functionName.endsWith( ";" ) )
	    functionName = functionName.left( functionName.length() - 1 );
	QString specifier = n.attribute( "specifier" );
	QString access = n.attribute( "access" );
	if ( access == "protected" ) {
	    protectedSlots += functionName;
	    protectedSlotTypes += returnType;
	    protectedSlotSpecifier += specifier;
	} else if ( access == "private" ) {
	    privateSlots += functionName;
	    privateSlotTypes += returnType;
	    privateSlotSpecifier += specifier;
	} else {
	    publicSlots += functionName;
	    publicSlotTypes += returnType;
	    publicSlotSpecifier += specifier;
	}
    }

    QStringList publicFuncts, protectedFuncts, privateFuncts;
    QStringList publicFunctRetTyp, protectedFunctRetTyp, privateFunctRetTyp;
    QStringList publicFunctSpec, protectedFunctSpec, privateFunctSpec;

    nl = e.parentNode().toElement().elementsByTagName( "function" );
    for ( i = 0; i < (int) nl.length(); i++ ) {
	n = nl.item( i ).toElement();
	if ( n.parentNode().toElement().tagName() != "functions" )
	    continue;
	if ( n.attribute( "language", "C++" ) != "C++" )
	    continue;
	QString returnType = n.attribute( "returnType", "void" );
	QString functionName = n.firstChild().toText().data().stripWhiteSpace();
	if ( functionName.endsWith( ";" ) )
	    functionName = functionName.left( functionName.length() - 1 );
	QString specifier = n.attribute( "specifier" );
	QString access = n.attribute( "access" );
	if ( access == "protected" ) {
	    protectedFuncts += functionName;
	    protectedFunctRetTyp += returnType;
	    protectedFunctSpec += specifier;
	} else if ( access == "private" ) {
	    privateFuncts += functionName;
	    privateFunctRetTyp += returnType;
	    privateFunctSpec += specifier;
	} else {
	    publicFuncts += functionName;
	    publicFunctRetTyp += returnType;
	    publicFunctSpec += specifier;
	}
    }

    QStringList publicVars, protectedVars, privateVars;
    nl = e.parentNode().toElement().elementsByTagName( "variable" );
    for ( i = 0; i < (int)nl.length(); i++ ) {
	n = nl.item( i ).toElement();
	// Because of compatibility the next lines have to be commented out.
	// Someday it should be uncommented.
	//if ( n.parentNode().toElement().tagName() != "variables" )
	//    continue;
	QString access = n.attribute( "access", "protected" );
	QString var = n.firstChild().toText().data().stripWhiteSpace();
	if ( !var.endsWith( ";" ) )
	    var += ";";
	if ( access == "public" )
	    publicVars += var;
	else if ( access == "private" )
	    privateVars += var;
	else
	    protectedVars += var;
    }

    if ( !publicVars.isEmpty() ) {
	for ( it = publicVars.begin(); it != publicVars.end(); ++it )
	    out << indent << *it << endl;
	out << endl;
    }
    if ( !publicFuncts.isEmpty() )
	writeFunctionsDecl( publicFuncts, publicFunctRetTyp, publicFunctSpec );

    if ( needPolish || !publicSlots.isEmpty() ) {
	out << "public slots:" << endl;
	if ( needPolish ) {
	    out << indent << "virtual void polish();" << endl;
	    out << endl;
	}
	if ( !publicSlots.isEmpty() )
	    writeFunctionsDecl( publicSlots, publicSlotTypes, publicSlotSpecifier );
    }

    // find signals
    QStringList extraSignals;
    nl = e.parentNode().toElement().elementsByTagName( "signal" );
    for ( i = 0; i < (int) nl.length(); i++ ) {
	n = nl.item( i ).toElement();
	if ( n.parentNode().toElement().tagName() != "signals"
	     && n.parentNode().toElement().tagName() != "connections" )
	    continue;
	if ( n.attribute( "language", "C++" ) != "C++" )
	    continue;
	QString sigName = n.firstChild().toText().data().stripWhiteSpace();
	if ( sigName.endsWith( ";" ) )
	    sigName = sigName.left( sigName.length() - 1 );
	extraSignals += sigName;
    }

    // create signals
    if ( !extraSignals.isEmpty() ) {
	out << "signals:" << endl;
	for ( it = extraSignals.begin(); it != extraSignals.end(); ++it )
	    out << "    void " << (*it) << ";" << endl;
	out << endl;
    }

    out << "protected:" << endl;
    if ( !protectedVars.isEmpty() ) {
	for ( it = protectedVars.begin(); it != protectedVars.end(); ++it )
	    out << indent << *it << endl;
	out << endl;
    }
    if ( !protectedFuncts.isEmpty() )
	writeFunctionsDecl( protectedFuncts, protectedFunctRetTyp, protectedFunctSpec );

    // child layouts
    registerLayouts( e );
    out << endl;

#if QT_VERSION >= 0x030900
#error Make languageChange() a virtual protected non-slot member of QWidget
#endif

    out << "protected slots:" << endl;
    out << "    virtual void languageChange();" << endl;

    if ( !protectedSlots.isEmpty() ) {
	out << endl;
	writeFunctionsDecl( protectedSlots, protectedSlotTypes, protectedSlotSpecifier );
    }

    // create all private stuff
    if ( !privateFuncts.isEmpty() || !privateVars.isEmpty() || !imageMembers.isEmpty() ) {
	out << "private:" << endl;
	if ( !privateVars.isEmpty() ) {
	    for ( it = privateVars.begin(); it != privateVars.end(); ++it )
		out << indent << *it << endl;
	    out << endl;
	}
	if ( !imageMembers.isEmpty() ) {
	    out << imageMembers;
	    out << endl;
	}
	if ( !privateFuncts.isEmpty() )
	    writeFunctionsDecl( privateFuncts, privateFunctRetTyp, privateFunctSpec );
    }

    if ( !privateSlots.isEmpty() ) {
	out << "private slots:" << endl;
	writeFunctionsDecl( privateSlots, privateSlotTypes, privateSlotSpecifier );
    }

    out << "};" << endl;
    for ( i = 0; i < (int) namespaces.count(); i++ )
	out << "}" << endl;

    out << endl;
    out << "#endif // " << protector << endl;
}

void Uic::writeFunctionsDecl( const QStringList &fuLst, const QStringList &typLst, const QStringList &specLst )
{
    QValueListConstIterator<QString> it, it2, it3;
    for ( it = fuLst.begin(), it2 = typLst.begin(), it3 = specLst.begin();
	  it != fuLst.end(); ++it, ++it2, ++it3 ) {
	QString specifier;
	QString pure;
	QString type = *it2;
	if ( type.isEmpty() )
	    type = "void";
	if ( *it3 != "non virtual" && *it3 != "nonVirtual" )
	    specifier = "virtual ";
	if ( *it3 == "pure virtual" || *it3 == "pureVirtual" )
	    pure = " = 0";
	type.replace( ">>", "> >" );
	out << "    " << specifier << type << " " << *it << pure << ";" << endl;
    }
    out << endl;
}

/*!
  Creates an implementation (cpp-file) for the form given in \a e.

  \sa createFormDecl(), createObjectImpl()
 */
void Uic::createFormImpl( const QDomElement &e )
{
    QDomElement n;
    QDomNodeList nl;
    int i;
    QString objClass = getClassName( e );
    if ( objClass.isEmpty() )
	return;
    QString objName = getObjectName( e );

    // generate local and local includes required
    QStringList globalIncludes, localIncludes;
    QStringList::Iterator it;

    QMap<QString, CustomInclude> customWidgetIncludes;

    // find additional slots and functions
    QStringList extraFuncts;
    QStringList extraFunctTyp;
    QStringList extraFunctSpecifier;

    nl = e.parentNode().toElement().elementsByTagName( "slot" );
    for ( i = 0; i < (int) nl.length(); i++ ) {
	n = nl.item(i).toElement();
	if ( n.parentNode().toElement().tagName() != "slots"
	     && n.parentNode().toElement().tagName() != "connections" )
	    continue;
	if ( n.attribute( "language", "C++" ) != "C++" )
	    continue;
	QString functionName = n.firstChild().toText().data().stripWhiteSpace();
	if ( functionName.endsWith( ";" ) )
	    functionName = functionName.left( functionName.length() - 1 );
	extraFuncts += functionName;
	extraFunctTyp += n.attribute( "returnType", "void" );
	extraFunctSpecifier += n.attribute( "specifier", "virtual" );
    }

    nl = e.parentNode().toElement().elementsByTagName( "function" );
    for ( i = 0; i < (int) nl.length(); i++ ) {
	n = nl.item(i).toElement();
	if ( n.parentNode().toElement().tagName() != "functions" )
	    continue;
	if ( n.attribute( "language", "C++" ) != "C++" )
	    continue;
	QString functionName = n.firstChild().toText().data().stripWhiteSpace();
	if ( functionName.endsWith( ";" ) )
	    functionName = functionName.left( functionName.length() - 1 );
	extraFuncts += functionName;
	extraFunctTyp += n.attribute( "returnType", "void" );
	extraFunctSpecifier += n.attribute( "specifier", "virtual" );
    }

    for ( n = e; !n.isNull(); n = n.nextSibling().toElement() ) {
	if ( n.tagName() == "customwidgets" ) {
	    QDomElement n2 = n.firstChild().toElement();
	    while ( !n2.isNull() ) {
		if ( n2.tagName() == "customwidget" ) {
		    QDomElement n3 = n2.firstChild().toElement();
		    QString cl;
		    WidgetDatabaseRecord *r = new WidgetDatabaseRecord;
		    while ( !n3.isNull() ) {
			if ( n3.tagName() == "class" ) {
			    cl = n3.firstChild().toText().data();
			    r->name = cl;
			} else if ( n3.tagName() == "header" ) {
			    CustomInclude ci;
			    ci.header = n3.firstChild().toText().data();
			    ci.location = n3.attribute( "location", "global" );
			    r->includeFile = ci.header;
			    customWidgetIncludes.insert( cl, ci );
			}
			WidgetDatabase::append( r );
			n3 = n3.nextSibling().toElement();
		    }
		}
		n2 = n2.nextSibling().toElement();
	    }
	}
    }