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# ntqdockarea.h

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

    /****************************************************************************
    ** $Id: qt/ntqdockarea.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of the TQDockArea class
    **
    ** Created : 001010
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the workspace module of the TQt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free TQt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
    ** Commercial License Agreement provided with the Software.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #ifndef TQDOCKAREA_H
    #define TQDOCKAREA_H

    #ifndef QT_H
    #include "ntqwidget.h"
    #include "ntqptrlist.h"
    #include "ntqdockwindow.h"
    #include "ntqlayout.h"
    #include "ntqvaluelist.h"
    #include "ntqguardedptr.h"
    #include "ntqtextstream.h"
    #endif // QT_H

    #ifndef TQT_NO_MAINWINDOW

    class TQSplitter;
    class TQBoxLayout;
    class TQDockAreaLayout;
    class TQMouseEvent;
    class TQDockWindowResizeHandle;
    class TQDockAreaPrivate;

    class TQ_EXPORT TQDockAreaLayout : public TQLayout
    {
        TQ_OBJECT
        friend class TQDockArea;

    public:
        TQDockAreaLayout( TQWidget* parent, TQt::Orientation o, TQPtrList<TQDockWindow> *wl, int space = -1, int margin = -1, const char *name = 0 )
    	: TQLayout( parent, space, margin, name ), orient( o ), dockWindows( wl ), parentWidget( parent ) { init(); }
        ~TQDockAreaLayout() {}

        void addItem( TQLayoutItem * ) {}
        bool hasHeightForWidth() const;
        int heightForWidth( int ) const;
        int widthForHeight( int ) const;
        TQSize sizeHint() const;
        TQSize minimumSize() const;
        TQLayoutIterator iterator();
        TQSizePolicy::ExpandData expanding() const { return TQSizePolicy::NoDirection; }
        void invalidate();
        TQt::Orientation orientation() const { return orient; }
        TQValueList<TQRect> lineList() const { return lines; }
        TQPtrList<TQDockWindow> lineStarts() const { return ls; }

    protected:
        void setGeometry( const TQRect& );

    private:
        void init();
        int layoutItems( const TQRect&, bool testonly = FALSE );
        TQt::Orientation orient;
        bool dirty;
        int cached_width, cached_height;
        int cached_hfw, cached_wfh;
        TQPtrList<TQDockWindow> *dockWindows;
        TQWidget *parentWidget;
        TQValueList<TQRect> lines;
        TQPtrList<TQDockWindow> ls;
    #if defined(TQ_DISABLE_COPY) // Disabled copy constructor and operator=
        TQDockAreaLayout( const TQDockAreaLayout & );
        TQDockAreaLayout &operator=( const TQDockAreaLayout & );
    #endif
    };

    class TQ_EXPORT TQDockArea : public TQWidget
    {
        TQ_OBJECT
        TQ_ENUMS( HandlePosition )
        TQ_PROPERTY( Orientation orientation READ orientation )
        TQ_PROPERTY( int count READ count )
        TQ_PROPERTY( bool empty READ isEmpty )
        TQ_PROPERTY( HandlePosition handlePosition READ handlePosition )

        friend class TQDockWindow;
        friend class TQDockWindowResizeHandle;
        friend class TQDockAreaLayout;

    public:
        enum HandlePosition { Normal, Reverse };

        TQDockArea( Orientation o, HandlePosition h = Normal, TQWidget* parent=0, const char* name=0 );
        ~TQDockArea();

        void moveDockWindow( TQDockWindow *w, const TQPoint &globalPos, const TQRect &rect, bool swap );
        void removeDockWindow( TQDockWindow *w, bool makeFloating, bool swap, bool fixNewLines = TRUE );
        void moveDockWindow( TQDockWindow *w, int index = -1 );
        bool hasDockWindow( TQDockWindow *w, int *index = 0 );

        void invalidNextOffset( TQDockWindow *dw );

        Orientation orientation() const { return orient; }
        HandlePosition handlePosition() const { return hPos; }

        bool eventFilter( TQObject *, TQEvent * );
        bool isEmpty() const;
        int count() const;
        TQPtrList<TQDockWindow> dockWindowList() const;

        bool isDockWindowAccepted( TQDockWindow *dw );
        void setAcceptDockWindow( TQDockWindow *dw, bool accept );

    public slots:
        void lineUp( bool keepNewLines );

    private:
        struct DockWindowData
        {
    	int index;
    	int offset;
    	int line;
    	TQSize fixedExtent;
    	TQGuardedPtr<TQDockArea> area;
        };

        int findDockWindow( TQDockWindow *w );
        int lineOf( int index );
        DockWindowData *dockWindowData( TQDockWindow *w );
        void dockWindow( TQDockWindow *dockWindow, DockWindowData *data );
        void updateLayout();
        void invalidateFixedSizes();
        int maxSpace( int hint, TQDockWindow *dw );
        void setFixedExtent( int d, TQDockWindow *dw );
        bool isLastDockWindow( TQDockWindow *dw );

    private:
        Orientation orient;
        TQPtrList<TQDockWindow> *dockWindows;
        TQDockAreaLayout *layout;
        HandlePosition hPos;
        TQPtrList<TQDockWindow> forbiddenWidgets;
        TQDockAreaPrivate *d;

    private:	// Disabled copy constructor and operator=
    #if defined(TQ_DISABLE_COPY)
        TQDockArea( const TQDockArea & );
        TQDockArea& operator=( const TQDockArea & );
    #endif

    };

    #ifndef TQT_NO_TEXTSTREAM
    TQ_EXPORT TQTextStream &operator<<( TQTextStream &, const TQDockArea & );
    TQ_EXPORT TQTextStream &operator>>( TQTextStream &, TQDockArea & );
    #endif

    #define Q_DEFINED_QDOCKAREA
    #include "ntqwinexport.h"
    #endif

    #endif //TQT_NO_MAINWINDOW