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/* This file is part of the TDE libraries
Copyright (C) 1996 Martynas Kunigelis
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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.
*/
/*****************************************************************************
* *
* KGameProgress -- progress indicator widget for TDE by Martynas Kunigelis *
* *
*****************************************************************************/
#ifndef _KPROGRES_H
#define _KPROGRES_H "$Id$"
#include <tqframe.h>
#include <tqrangecontrol.h>
#include <kdemacros.h>
/**
* @short A progress indicator widget.
*
* KGameProgress is derived from TQFrame and TQRangeControl, so
* you can use all the methods from those classes. The only difference
* is that setValue() is now made a slot, so you can connect
* stuff to it.
*
* None of the constructors take line step and page step as arguments,
* so by default they're set to 1 and 10 respectively.
*
* The Blocked style ignores the textEnabled() setting and displays
* no text, since it looks truly ugly (and for other reasons). Signal
* percentageChanged() is emitted whenever the value changes so you
* can set up a different widget to display the current percentage complete
* and connect the signal to it.
*
* @author Martynas Kunigelis
* @version $Id$
*/
class KDE_EXPORT KGameProgress : public TQFrame, public TQRangeControl
{
TQ_OBJECT
TQ_ENUMS( BarStyle )
TQ_PROPERTY( int value READ value WRITE setValue)
TQ_PROPERTY( BarStyle barStyle READ barStyle WRITE setBarStyle )
TQ_PROPERTY( TQColor barColor READ barColor WRITE setBarColor )
TQ_PROPERTY( TQPixmap barPixmap READ barPixmap WRITE setBarPixmap )
TQ_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
TQ_PROPERTY( bool textEnabled READ textEnabled WRITE setTextEnabled )
public:
/**
* Possible values for bar style.
*
* @p Solid means one continuous progress bar, @p Blocked means a
* progress bar made up of several blocks.
*/
enum BarStyle { Solid, Blocked };
/**
* Construct a horizontal progress bar.
*/
KGameProgress(TQWidget *parent=0, const char *name=0);
/**
* Construct a progress bar with orientation @p orient.
*/
KGameProgress(Orientation orient, TQWidget *parent=0, const char *name=0);
/**
* Construct a progress bar with minimum, maximum and initial values.
*/
KGameProgress(int minValue, int maxValue, int value, Orientation,
TQWidget *parent=0, const char *name=0);
/**
* Destruct the progress bar.
*/
~KGameProgress();
/**
* Set the progress bar style.
*
* Allowed values are @p Solid and @p Blocked.
*/
void setBarStyle(BarStyle style);
/**
* Set the color of the progress bar.
*/
void setBarColor(const TQColor &);
/**
* Set a pixmap to be shown in the progress bar.
*/
void setBarPixmap(const TQPixmap &);
/**
* Set the orientation of the progress bar.
*
* Allowed values are @p TQt::Horizontal and @p TQt::Vertical.
*/
void setOrientation(Orientation);
/**
* If this is set to @p true, the progress text will be displayed.
*
*/
void setTextEnabled(bool);
/**
* Retrieve the bar style.
*
* @see setBarStyle()
*/
BarStyle barStyle() const;
/**
* Retrieve the bar color.
* @see setBarColor()
*/
const TQColor &barColor() const;
/**
* Retrieve the bar pixmap.
*
* @see setBarPixmap()
*/
const TQPixmap *barPixmap() const;
/**
* Retrive the current status
*
* @see setValue()
*/
int value() const { return TQRangeControl::value(); }
/**
* Retrive the orientation of the progress bar.
*
* @see setOrientation()
*/
Orientation orientation() const;
/**
* Returns @p true if progress text will be displayed,
* @p false otherwise.
*
* @see setFormat()
*/
bool textEnabled() const;
/**
*/
virtual TQSize sizeHint() const;
/**
*/
virtual TQSize minimumSizeHint() const;
/**
*/
virtual TQSizePolicy sizePolicy() const;
/**
* Retrieve the current format for printing status text.
* @see setFormat()
*/
TQString format() const;
public slots:
/**
* Set the format of the text to use to display status.
*
* The default format is "%p%" (which looks like "42%".)
*
* @param format %p is replaced by percentage done, %v is replaced by actual
* value, %m is replaced by the maximum value.
*/
void setFormat(const TQString & format);
/**
* Set the current value of the progress bar to @p value.
*
* This must be a number in the range 0..100.
*/
void setValue(int value);
/**
* Advance the progress bar by @p prog.
*
* This method is
* provided for convenience and is equivalent with
* setValue(value()+prog).
*/
void advance(int prog);
signals:
/**
* Emitted when the state of the progress bar changes.
*/
void percentageChanged(int);
protected:
/**
*/
void valueChange();
/**
*/
void rangeChange();
/**
*/
void styleChange( TQStyle& );
/**
*/
void paletteChange( const TQPalette & );
/**
*/
void drawContents( TQPainter * );
private slots:
void paletteChange();
private:
TQPixmap *bar_pixmap;
bool use_supplied_bar_color;
TQColor bar_color;
TQColor bar_text_color;
TQColor text_color;
TQRect fr;
BarStyle bar_style;
Orientation orient;
bool text_enabled;
TQString format_;
void initialize();
int recalcValue(int);
void drawText(TQPainter *);
void adjustStyle();
class KGameProgressPrivate;
KGameProgressPrivate *d;
};
#endif
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