qtooltip.h

/****************************************************************************
** $Id: qtooltip.h,v 2.26 1999/04/28 10:00:53 aavit Exp $
**
** Definition of Tool Tips (or Balloon Help) for any widget or rectangle
**
** Copyright (C) 1992-1999 Troll Tech AS.  All rights reserved.
**
** This file is part of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Troll Tech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** Licensees holding valid Qt Professional Edition licenses may use this
** file in accordance with the Qt Professional Edition License Agreement
** provided with the Qt Professional Edition.
**
** See http://www.troll.no/pricing.html or email sales@troll.no for
** information about the Professional Edition licensing, or see
** http://www.troll.no/qpl/ for QPL licensing information.
**
*****************************************************************************/

#ifndef QTOOLTIP_H
#define QTOOLTIP_H

#ifndef QT_H
#include "qwidget.h"
#include "qtimer.h"
#endif // QT_H


class QTipManager;
class QLabel;


class Q_EXPORT QToolTipGroup: public QObject
{
    Q_OBJECT
public:
    QToolTipGroup( QObject *parent, const char *name = 0 );
   ~QToolTipGroup();

    bool delay() const;

public slots:
    void setDelay( bool );

signals:
    void showTip( const QString &);
    void removeTip();

private:
    bool d;

    friend class QTipManager;
};


class Q_EXPORT QToolTip: public Qt
{
public:
    QToolTip( QWidget *, QToolTipGroup * = 0 );

    static void add( QWidget *, const QString &);
    static void add( QWidget *, const QString &,
                     QToolTipGroup *, const QString& );
    static void remove( QWidget * );

    static void add( QWidget *, const QRect &, const QString &);
    static void add( QWidget *, const QRect &, const QString &,
                     QToolTipGroup *, const QString& );
    static void remove( QWidget *, const QRect & );

    static QFont    font();
    static void     setFont( const QFont & );
    static QPalette palette();
    static void     setPalette( const QPalette & );

protected:
    virtual void maybeTip( const QPoint & ) = 0;
    void    tip( const QRect &, const QString &);
    void    tip( const QRect &, const QString& , const QString &);
    void    clear();

public:
    QWidget       *parentWidget() const { return p; }
    QToolTipGroup *group()        const { return g; }

private:
    QWidget         *p;
    QToolTipGroup   *g;
    static QFont    *ttFont;
    static QPalette *ttPalette;

    static void initialize();
    static void cleanup();

    friend class QTipManager;
};


#endif // QTOOLTIP_H