qwidgetfactory.h Include File

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# qwidgetfactory.h

This is the verbatim text of the qwidgetfactory.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /**********************************************************************
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    **
    ** This file is part of Qt Designer.
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    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
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    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
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    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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    #ifndef QWIDGETFACTORY_H
    #define QWIDGETFACTORY_H

    #ifndef QT_H
    #include <qstring.h>
    #include <qptrlist.h>
    #include <qimage.h>
    #include <qpixmap.h>
    #include <qvaluelist.h>
    #include <qmap.h>
    #include <qaction.h>
    #endif // QT_H

    class QDomDocument;
    class QDomElement;
    class QLayout;
    class QListView;
    class QListViewItem;
    class QMenuBar;
    class QTable;
    class QWidget;
    class QWidgetFactoryPrivate;
    class UibStrTable;

    class QWidgetFactory
    {
    public:
        QWidgetFactory();
        virtual ~QWidgetFactory();

        static QWidget *create( const QString &uiFile, QObject *connector = 0, QWidget *parent = 0, const char *name = 0 );
        static QWidget *create( QIODevice *dev, QObject *connector = 0, QWidget *parent = 0, const char *name = 0 );
        static void addWidgetFactory( QWidgetFactory *factory );
        static void loadImages( const QString &dir );

        virtual QWidget *createWidget( const QString &className, QWidget *parent, const char *name ) const;
        static QStringList widgets();
        static bool supportsWidget( const QString &widget );

    private:
        enum LayoutType { HBox, VBox, Grid, NoLayout };
        void loadImageCollection( const QDomElement &e );
        void loadConnections( const QDomElement &e, QObject *connector );
        void loadTabOrder( const QDomElement &e );
        QWidget *createWidgetInternal( const QDomElement &e, QWidget *parent, QLayout* layout, const QString &classNameArg );
        QLayout *createLayout( QWidget *widget, QLayout*  layout, LayoutType type, bool isQLayoutWidget = FALSE );
        LayoutType layoutType( QLayout *l ) const;
        void setProperty( QObject* widget, const QString &prop, QVariant value );
        void setProperty( QObject* widget, const QString &prop, const QDomElement &e );
        void createSpacer( const QDomElement &e, QLayout *layout );
        QImage loadFromCollection( const QString &name );
        QPixmap loadPixmap( const QString &name );
        QPixmap loadPixmap( const QDomElement &e );
        QColorGroup loadColorGroup( const QDomElement &e );
        void createListViewColumn( QListView *lv, const QString& txt,
    			       const QPixmap& pix, bool clickable,
    			       bool resizable );
    #ifndef QT_NO_TABLE
        void createTableColumnOrRow( QTable *table, const QString& txt,
    				 const QPixmap& pix, const QString& field,
    				 bool isRow );
    #endif
        void createColumn( const QDomElement &e, QWidget *widget );
        void loadItem( const QDomElement &e, QPixmap &pix, QString &txt, bool &hasPixmap );
        void createItem( const QDomElement &e, QWidget *widget, QListViewItem *i = 0 );
        void loadChildAction( QObject *parent, const QDomElement &e );
        void loadActions( const QDomElement &e );
        void loadToolBars( const QDomElement &e );
        void loadMenuBar( const QDomElement &e );
        void loadPopupMenu( QPopupMenu *p, const QDomElement &e );
        void loadFunctions( const QDomElement &e );
        QAction *findAction( const QString &name );
        void loadExtraSource();
        QString translate( const char *sourceText, const char *comment = "" );
        QString translate( const QString& sourceText, const QString& comment = QString::null );

        void unpackUInt16( QDataStream& in, Q_UINT16& n );
        void unpackUInt32( QDataStream& in, Q_UINT32& n );
        void unpackByteArray( QDataStream& in, QByteArray& array );
        void unpackCString( const UibStrTable& strings, QDataStream& in,
    			QCString& cstr );
        void unpackString( const UibStrTable& strings, QDataStream& in,
    		       QString& str );
        void unpackStringSplit( const UibStrTable& strings, QDataStream& in,
    			    QString& str );
        void unpackVariant( const UibStrTable& strings, QDataStream& in,
    			QVariant& value );
        void inputSpacer( const UibStrTable& strings, QDataStream& in,
    		      QLayout *parent );
        void inputColumnOrRow( const UibStrTable& strings, QDataStream& in,
    			   QObject *parent, bool isRow );
        void inputItem( const UibStrTable& strings, QDataStream& in,
    		    QObject *parent, QListViewItem *parentItem = 0 );
        void inputMenuItem( QObject **objects, const UibStrTable& strings,
    			QDataStream& in, QMenuBar *menuBar );
        QObject *inputObject( QObject **objects, int& numObjects,
    			  const UibStrTable& strings, QDataStream& in,
    			  QWidget *ancestorWidget, QObject *parent,
    			  QCString className = "" );
        QWidget *createFromUiFile( QDomDocument doc, QObject *connector,
    			       QWidget *parent, const char *name );
        QWidget *createFromUibFile( QDataStream& in, QObject *connector,
    				QWidget *parent, const char *name );

    private:
        struct Image {
    	QImage img;
    	QString name;
    	bool operator==(  const Image &i ) const {
    	    return ( i.name == name &&
    		     i.img == img );
    	}
        };

        struct Field
        {
    	Field() {}
    	Field( const QString &s1, const QPixmap &p, const QString &s2 ) : name( s1 ), pix( p ), field( s2 ) {}
    	QString name;
    	QPixmap pix;
    	QString field;
    	Q_DUMMY_COMPARISON_OPERATOR( Field )
        };

        struct SqlWidgetConnection
        {
    	SqlWidgetConnection() {}
    	SqlWidgetConnection( const QString &c, const QString &t )
    	    : conn( c ), table( t ), dbControls( new QMap<QString, QString>() ) {}
    	QString conn;
    	QString table;
    	QMap<QString, QString> *dbControls;
    	Q_DUMMY_COMPARISON_OPERATOR( SqlWidgetConnection )
        };

        QValueList<Image> images;
        QWidget *toplevel;
        QWidgetFactoryPrivate *d;
        QMap<QString, QString> *dbControls;
        QMap<QString, QStringList> dbTables;
        QMap<QWidget*, SqlWidgetConnection> sqlWidgetConnections;
        QMap<QString, QString> buddies;
        QMap<QTable*, QValueList<Field> > fieldMaps;
        QPtrList<QAction> actionList;
        QMap<QString, QString> languageSlots;
        QStringList noDatabaseWidgets;
        bool usePixmapCollection;
        int defMargin;
        int defSpacing;
        QString code;
        QString uiFileVersion;
    };

    #endif