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tdegraphics/libkscan/kscanslider.h

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5.9 KiB

/* This file is part of the KDE Project
Copyright (C) 2000 Klaas Freitag <freitag@suse.de>
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KSCANSLIDER_H
#define KSCANSLIDER_H
#include <tqframe.h>
#include <tqstrlist.h>
#include <tqhbox.h>
#include <tqcombobox.h>
#include <tqslider.h>
#include <tqlineedit.h>
/**
*@author Klaas Freitag
*/
class TQPushButton;
class TQSpinBox;
class TQLabel;
/**
* a kind of extended slider which has a spinbox beside the slider offering
* the possibility to enter an exact numeric value to the slider. If
* desired, the slider has a neutral button by the side. A descriptional
* text is handled automatically.
*
* @author Klaas Freitag <freitag@suse.de>
*/
class KScanSlider : public TQFrame
{
TQ_OBJECT
TQ_PROPERTY( int slider_val READ value WRITE slSetSlider )
public:
/**
* Create the slider.
*
* @param parent parent widget
* @param text is the text describing the the slider value. If the text
* contains a '&', a buddy for the slider will be created.
* @param min minimum slider value
* @param max maximum slider value
* @param haveStdButt make a 'set to standard'-button visible. The button
* appears on the left of the slider.
* @param stdValue the value to which the standard button resets the slider.
*/
KScanSlider( TQWidget *parent, const TQString& text,
double min, double max, bool haveStdButt=false,
int stdValue=0);
/**
* Destructor
*/
~KScanSlider();
/**
* @return the current slider value
*/
int value( ) const
{ return( slider->value()); }
public slots:
/**
* sets the slider value
*/
void slSetSlider( int );
/**
* enables the complete slider.
*/
void setEnabled( bool b );
protected slots:
/**
* reverts the slider back to the standard value given in the constructor
*/
void slRevertValue();
signals:
/**
* emitted if the slider value changes
*/
void valueChanged( int );
private slots:
void slSliderChange( int );
private:
TQSlider *slider;
TQLabel *l1, *numdisp;
TQSpinBox *m_spin;
int m_stdValue;
TQPushButton *m_stdButt;
class KScanSliderPrivate;
KScanSliderPrivate *d;
};
/**
* a entry field with a prefix text for description.
*/
class KScanEntry : public TQFrame
{
TQ_OBJECT
TQ_PROPERTY( TQString text READ text WRITE slSetEntry )
public:
/**
* create a new entry field prepended by text.
* @param parent the parent widget
* @text the prefix text
*/
KScanEntry( TQWidget *parent, const TQString& text );
// ~KScanEntry();
/**
* @return the current entry field contents.
*/
TQString text( ) const;
public slots:
/**
* set the current text
* @param t the new string
*/
void slSetEntry( const TQString& t );
/**
* enable or disable the text entry.
* @param b set enabled if true, else disabled.
*/
void setEnabled( bool b ){ if( entry) entry->setEnabled( b ); }
protected slots:
void slReturnPressed( void );
signals:
void valueChanged( const TQCString& );
void returnPressed( const TQCString& );
private slots:
void slEntryChange( const TQString& );
private:
TQLineEdit *entry;
class KScanEntryPrivate;
KScanEntryPrivate *d;
};
/**
* a combobox filled with a decriptional text.
*/
class KScanCombo : public TQHBox
{
TQ_OBJECT
TQ_PROPERTY( TQString cbEntry READ currentText WRITE slSetEntry )
public:
/**
* create a combobox with prepended text.
*
* @param parent parent widget
* @param text the text the combobox is prepended by
* @param list a stringlist with values the list should contain.
*/
KScanCombo( TQWidget *parent, const TQString& text, const TQStrList& list );
KScanCombo( TQWidget *parent, const TQString& text, const TQStringList& list );
// ~KScanCombo();
/**
* @return the current selected text
*/
TQString currentText( ) const;
/**
* @return the text a position i
*/
TQString text( int i ) const;
/**
* @return the amount of list entries.
*/
int count( ) const;
public slots:
/**
* set the current entry to the given string if it is member of the list.
* if not, the entry is not changed.
*/
void slSetEntry( const TQString &);
/**
* enable or disable the combobox.
* @param b enables the combobox if true.
*/
void setEnabled( bool b){ if(combo) combo->setEnabled( b ); };
/**
* set an icon for a string in the combobox
* @param pix the pixmap to set.
* @param str the string for which the pixmap should be set.
*/
void slSetIcon( const TQPixmap& pix, const TQString& str);
/**
* set the current item of the combobox.
*/
void setCurrentItem( int i );
private slots:
void slFireActivated( int);
void slComboChange( const TQString & );
signals:
void valueChanged( const TQCString& );
void activated(int);
private:
void createCombo( const TQString& text );
TQComboBox *combo;
TQStrList combolist;
class KScanComboPrivate;
KScanComboPrivate *d;
};
#endif