ntqpopupmenu.h Include File

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# ntqpopupmenu.h

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

    /****************************************************************************
    ** $Id: qt/ntqpopupmenu.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQPopupMenu class
    **
    ** Created : 941128
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the widgets 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 TQPOPUPMENU_H
    #define TQPOPUPMENU_H

    #ifndef QT_H
    #include "ntqframe.h"
    #include "ntqmenudata.h"
    #endif // QT_H

    #ifndef TQT_NO_POPUPMENU
    class TQPopupMenuPrivate;

    class TQ_EXPORT TQPopupMenu : public TQFrame, public TQMenuData
    {
        TQ_OBJECT
        TQ_PROPERTY( bool checkable READ isCheckable WRITE setCheckable )
    public:
        TQPopupMenu( TQWidget* parent=0, const char* name=0 );
        ~TQPopupMenu();

        void	popup( const TQPoint & pos, int indexAtPoint = -1 ); // open
        void	updateItem( int id );

        virtual void	setCheckable( bool );
        bool	isCheckable() const;

        void	setFont( const TQFont & );
        void	show();
        void	hide();

        int		exec();
        int 	exec( const TQPoint & pos, int indexAtPoint = 0 ); // modal

        virtual void	setActiveItem( int );
        TQSize	sizeHint() const;

        int 	idAt( int index ) const { return TQMenuData::idAt( index ); }
        int 	idAt( const TQPoint& pos ) const;

        bool 	customWhatsThis() const;

        int		insertTearOffHandle( int id=-1, int index=-1 );

        void	activateItemAt( int index );
        TQRect	itemGeometry( int index );

    signals:
        void	activated( int itemId );
        void	highlighted( int itemId );
        void	activatedRedirect( int itemId ); // to parent menu
        void	highlightedRedirect( int itemId );
        void	aboutToShow();
        void	aboutToHide();

    protected:
        int 	itemHeight( int ) const;
        int 	itemHeight( TQMenuItem* mi ) const;
        void 	drawItem( TQPainter* p, int tab, TQMenuItem* mi,
    		   bool act, int x, int y, int w, int h);

        void 	drawContents( TQPainter * );

        void 	closeEvent( TQCloseEvent *e );
        void	paintEvent( TQPaintEvent * );
        void	mousePressEvent( TQMouseEvent * );
        void	mouseReleaseEvent( TQMouseEvent * );
        void	mouseMoveEvent( TQMouseEvent * );
        void	keyPressEvent( TQKeyEvent * );
        void	focusInEvent( TQFocusEvent * );
        void	focusOutEvent( TQFocusEvent * );
        void	timerEvent( TQTimerEvent * );
        void	leaveEvent( TQEvent * );
        void 	styleChange( TQStyle& );
        void	enabledChange( bool );
        int 	columns() const;

        bool	focusNextPrevChild( bool next );

        int		itemAtPos( const TQPoint &, bool ignoreSeparator = true ) const;

    private slots:
        void	subActivated( int itemId );
        void	subHighlighted( int itemId );
    #ifndef TQT_NO_ACCEL
        void	accelActivated( int itemId );
        void	accelDestroyed();
    #endif
        void	popupDestroyed( TQObject* );
        void	modalActivation( int );

        void	subMenuTimer();
        void	subScrollTimer();
        void	allowAnimation();
        void     toggleTearOff();

        void        performDelayedChanges();

    private:
        void        updateScrollerState();
        void	menuContentsChanged();
        void	menuStateChanged();
        void        performDelayedContentsChanged();
        void        performDelayedStateChanged();
        void	menuInsPopup( TQPopupMenu * );
        void	menuDelPopup( TQPopupMenu * );
        void	frameChanged();

        void	actSig( int, bool = false );
        void	hilitSig( int );
        virtual void setFirstItemActive();
        void	hideAllPopups();
        void	hidePopups();
        bool	tryMenuBar( TQMouseEvent * );
        void	byeMenuBar();

        TQSize	updateSize(bool force_recalc=false, bool do_resize=true);
        void	updateRow( int row );
    #ifndef TQT_NO_ACCEL
        void	updateAccel( TQWidget * );
        void	enableAccel( bool );
    #endif
        TQPopupMenuPrivate  *d;
    #ifndef TQT_NO_ACCEL
        TQAccel     *autoaccel;
    #endif

    #if defined(TQ_WS_MAC) && !defined(TQMAC_QMENUBAR_NO_NATIVE)
        bool macPopupMenu(const TQPoint &, int);
        uint mac_dirty_popup : 1;
    #endif

        int popupActive;
        int tab;
        uint accelDisabled : 1;
        uint checkable : 1;
        uint connectModalRecursionSafety : 1;
        uint tornOff : 1;
        uint pendingDelayedContentsChanges : 1;
        uint pendingDelayedStateChanges : 1;
        int maxPMWidth;
        int ncols;
        bool	snapToMouse;
        bool	tryMouseEvent( TQPopupMenu *, TQMouseEvent * );

        friend class TQMenuData;
        friend class TQMenuBar;

        void connectModal(TQPopupMenu* receiver, bool doConnect);

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

    #endif // TQT_NO_POPUPMENU

    #endif // TQPOPUPMENU_H