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actions.h

// -*- c++ -*-

/*
 *
 * Copyright (C) 2002 Richard Moore <rich@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef ACTIONS_H
#define ACTIONS_H

#include <qptrlist.h>
#include <qwidget.h>
#include <kaction.h>

class QSlider;
class QDockWindow;
class QLCDNumber;
class KMainWindow;

//
// Actions for displaying custom QWidgets.
//

class LCDNumberAction : public KAction
{
    Q_OBJECT

public:
    LCDNumberAction( const QString &text, int accel,
                     QObject *receiver, const char *slot,
                     QObject *parent = 0, const char *name = 0 );

    virtual int plug( QWidget *widget, int index = -1 );
    virtual void unplug( QWidget *widget );

    int intValue() const { return val.toInt(); }
    QString value() const { return val; }

    int numDigits() const { return numDig; }

public slots:
    void display( int num );
    void display( const QString &s );

    void setNumDigits( int nDigits );

signals:
    void valueChanged( const QString & );

protected:
    virtual QLCDNumber *createWidget( QWidget *parent, const char *name=0 );

private:
    int numDig;
    QString val;
};

class SliderAction : public KAction
{
    Q_OBJECT

public:
    SliderAction( int min, int max, int step, int val,
                  const QString &text,
                  QObject *parent = 0, const char *name = 0 );

    virtual int plug( QWidget *widget, int index = -1 );
    virtual void unplug( QWidget *widget );

    QSlider *widget() const { return slide; }

    int value() const;

    virtual QSlider *createWidget( QWidget *parent, const char *name=0 );

public slots:
    void setValue( int num );

    void setTickInterval( int ticks );

    void setOrientation( Orientation o );

    void dockChange( QDockWindow* );

signals:
    void valueChanged( int );    

protected slots:
    void setValueInternal( int num );

    void setInverseInternal( int num );
    
private:
    QSlider *slide;
    int min;
    int max;
    int step;
    int val;
    int tickStep;
};

class ToggleViewAction : public KRadioAction
{
    Q_OBJECT

public:
    ToggleViewAction( const QString &text, const QString &icon,
                      const KShortcut &cut,
                      QObject *parent, const char *name );

    ~ToggleViewAction() {}

public slots:
    void setView( QWidget *w );

    void update();

    void toggleView();

    void showView();

    void hideView();

protected slots:
    void slotActivated();

private:
    QWidget *win;
};

#endif // ACTIONS_H

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