timeprogressbar.cpp

Qtopia下的多媒体录音源码

/****************************************************************************
**
** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.
**
** This file is part of the Phone Edition of the Qtopia Toolkit.
**
** Licensees holding a valid license agreement from Trolltech or any of its
** authorized distributors may use this file in accordance with
** the License Agreement provided with the Licensed Software.
**
** See http://www.trolltech.com/pricing.html or email [e-mail] for
**   information about Trolltech's Commercial License Agreements.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**
**
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include "timeprogressbar.h"


#include <qapplication.h>


TimeProgressBar::TimeProgressBar( QWidget *parent )
    : QProgressBar( parent ), prevValue( -1 )
{
    setAlignment( Qt::AlignCenter );
    recording = true;
    refreshPalettes();
}


TimeProgressBar::~TimeProgressBar()
{
}


void TimeProgressBar::setRecording()
{
    recording = true;
    setPalette( adjustedPalette );
}


void TimeProgressBar::setPlaying()
{
    recording = false;
    setPalette( origPalette );
}


bool TimeProgressBar::setIndicator( QString& progress_str, int progress, int totalSteps )
{
    if ( !totalSteps )
	return false;
    if ( progress < 0 ) {
	progress_str = QString::fromLatin1( "" );
	return true;
    } else if ( progress != prevValue ) {
	prevValue = progress;
	if ( progress > 60 * 60 ) {
	    progress_str.sprintf( "%02d:%02d:%02d",
				  progress / (60 * 60),
				  (progress / 60) % 60,
				  progress % 60 );
	} else {
	    progress_str.sprintf( "%02d:%02d",
				  progress / 60,
				  progress % 60 );
	}
	return true;
    } else {
	return false;
    }
}


bool TimeProgressBar::event( QEvent *e )
{
    if ( e->type() == QEvent::ApplicationPaletteChange ) {
	refreshPalettes();
    }
    return QProgressBar::event( e );
}


void TimeProgressBar::refreshPalettes()
{
    origPalette = QApplication::palette( this );
    adjustedPalette = origPalette;
    adjustedPalette.setColor
	    ( QPalette::Active,
	      QPalette::Highlight,
	      origPalette.color( QPalette::Active, QPalette::Base ) );
    adjustedPalette.setColor
	    ( QPalette::Active,
	      QPalette::HighlightedText,
	      origPalette.color( QPalette::Active, QPalette::Text ) );
    adjustedPalette.setColor
	    ( QPalette::Inactive,
	      QPalette::Highlight,
	      origPalette.color( QPalette::Active, QPalette::Base ) );
    adjustedPalette.setColor
	    ( QPalette::Inactive,
	      QPalette::HighlightedText,
	      origPalette.color( QPalette::Active, QPalette::Text ) );
    if ( recording )
	setPalette( adjustedPalette );
    else
	setPalette( origPalette );
}