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/*
*
* $Id: k3baudiotracksplitdialog.cpp 630444 2007-02-05 12:43:19Z trueg $
* Copyright (C) 2004-2007 Sebastian Trueg <[email protected]>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3baudiotracksplitdialog.h"
#include "k3baudiotrack.h"
#include "k3baudioeditorwidget.h"
#include <k3bmsf.h>
#include <k3bmsfedit.h>
#include <klocale.h>
#include <kactioncollection.h>
#include <kaction.h>
#include <kpopupmenu.h>
#include <qlabel.h>
#include <qframe.h>
#include <qlayout.h>
K3bAudioTrackSplitDialog::K3bAudioTrackSplitDialog( K3bAudioTrack* track, QWidget* parent, const char* name )
: KDialogBase( KDialogBase::Plain, i18n("Split Audio Track"),
KDialogBase::Ok|KDialogBase::Cancel,
KDialogBase::Ok, parent, name ),
m_track(track)
{
QFrame* frame = plainPage();
m_editorWidget = new K3bAudioEditorWidget( frame );
m_msfEditStart = new K3bMsfEdit( frame );
m_msfEditEnd = new K3bMsfEdit( frame );
QGridLayout* layout = new QGridLayout( frame );
layout->setMargin( 0 );
layout->setSpacing( spacingHint() );
// FIXME: After the string freeze replace the text with a better one explaning how to use this dialog
layout->addMultiCellWidget( new QLabel( i18n("Please select the position where the track should be split."),
frame ), 0, 0, 0, 3 );
layout->addMultiCellWidget( m_editorWidget, 1, 1, 0, 3 );
layout->addWidget( m_msfEditStart, 2, 1 );
layout->addWidget( new QLabel( " - ", frame ), 2, 2 );
layout->addWidget( m_msfEditEnd, 2, 3 );
layout->addWidget( new QLabel( i18n("Split track at:"), frame ), 2, 0 );
layout->setColStretch( 0, 1 );
m_editorWidget->setAllowOverlappingRanges( false );
m_editorWidget->enableRangeSelection( true );
m_editorWidget->installEventFilter( this );
connect( m_editorWidget, SIGNAL(rangeChanged(int, const K3b::Msf&, const K3b::Msf&)),
this, SLOT(slotRangeModified(int, const K3b::Msf&, const K3b::Msf&)) );
connect( m_editorWidget, SIGNAL(selectedRangeChanged(int)),
this, SLOT(slotRangeSelectionChanged(int)) );
connect( m_msfEditStart, SIGNAL(valueChanged(const K3b::Msf&)),
this, SLOT(slotMsfEditChanged(const K3b::Msf&)) );
connect( m_msfEditEnd, SIGNAL(valueChanged(const K3b::Msf&)),
this, SLOT(slotMsfEditChanged(const K3b::Msf&)) );
setupActions();
// load the track
m_editorWidget->setLength( m_track->length() );
// default split
K3b::Msf mid = m_track->length().lba() / 2;
m_editorWidget->addRange( 0, mid-1 );
m_editorWidget->addRange( mid, m_track->length()-1 );
slotRangeSelectionChanged( 0 );
}
K3bAudioTrackSplitDialog::~K3bAudioTrackSplitDialog()
{
}
void K3bAudioTrackSplitDialog::setupActions()
{
m_actionCollection = new KActionCollection( this );
m_popupMenu = new KPopupMenu( this );
KAction* actionSplitHere = new KAction( i18n("Split Here"), 0,
KShortcut(), this, SLOT(slotSplitHere()),
actionCollection(), "range_split" );
// FIXME: after the message freeze give this action a proper name like "Remove track part"
KAction* actionRemoveRange = new KAction( i18n("Remove this Range"), 0,
KShortcut(), this, SLOT(slotRemoveRange()),
actionCollection(), "range_remove" );
actionSplitHere->plug( m_popupMenu );
actionRemoveRange->plug( m_popupMenu );
}
void K3bAudioTrackSplitDialog::slotRangeModified( int id, const K3b::Msf& start, const K3b::Msf& end )
{
if( id == m_editorWidget->selectedRange() ) {
m_msfEditStart->blockSignals( true );
m_msfEditEnd->blockSignals( true );
m_msfEditStart->setMsfValue( start );
m_msfEditEnd->setMsfValue( end );
m_msfEditStart->blockSignals( false );
m_msfEditEnd->blockSignals( false );
}
}
void K3bAudioTrackSplitDialog::slotMsfEditChanged( const K3b::Msf& )
{
m_editorWidget->modifyRange( m_editorWidget->selectedRange(), m_msfEditStart->msfValue(), m_msfEditEnd->msfValue() );
}
void K3bAudioTrackSplitDialog::slotRangeSelectionChanged( int id )
{
if( id > 0 ) {
m_msfEditStart->blockSignals( true );
m_msfEditEnd->blockSignals( true );
m_msfEditStart->setMsfValue( m_editorWidget->rangeStart( id ) );
m_msfEditEnd->setMsfValue( m_editorWidget->rangeEnd( id ) );
m_msfEditStart->setEnabled( true );
m_msfEditEnd->setEnabled( true );
m_msfEditStart->blockSignals( false );
m_msfEditEnd->blockSignals( false );
}
else {
m_msfEditStart->setEnabled( false );
m_msfEditEnd->setEnabled( false );
}
}
void K3bAudioTrackSplitDialog::splitAt( const QPoint& p )
{
int id = m_editorWidget->findRange( p.x() );
if( id ) {
K3b::Msf msf = m_editorWidget->posToMsf( p.x() );
m_editorWidget->addRange( msf+1, m_editorWidget->rangeEnd( id ) );
m_editorWidget->modifyRange( id, m_editorWidget->rangeStart( id ), msf );
slotRangeSelectionChanged( m_editorWidget->selectedRange() );
}
}
bool K3bAudioTrackSplitDialog::eventFilter( QObject* o, QEvent* e )
{
if( o == m_editorWidget ) {
if( e->type() == QEvent::MouseButtonDblClick ) {
QMouseEvent* me = static_cast<QMouseEvent*>( e );
splitAt( me->pos() );
}
else if( e->type() == QEvent::ContextMenu ) {
QContextMenuEvent* ce = static_cast<QContextMenuEvent*>( e );
ce->consume();
m_lastClickPosition = ce->pos();
if( m_editorWidget->findRange( ce->pos().x() ) > 0 )
m_popupMenu->popup( ce->globalPos() );
}
}
return KDialogBase::eventFilter( o, e );
}
void K3bAudioTrackSplitDialog::slotSplitHere()
{
splitAt( m_lastClickPosition );
}
void K3bAudioTrackSplitDialog::slotRemoveRange()
{
m_editorWidget->removeRange( m_editorWidget->findRange( m_lastClickPosition.x() ) );
}
void K3bAudioTrackSplitDialog::splitTrack( K3bAudioTrack* track,
QWidget* parent,
const char* name )
{
K3bAudioTrackSplitDialog d( track, parent, name );
if( d.exec() == QDialog::Accepted ) {
QValueList<int> ranges = d.m_editorWidget->allRanges();
// we split the track at all range ends and just delete those that relate to the gaps in between
K3b::Msf pos = 0;
for( QValueList<int>::const_iterator it = ranges.constBegin();
it != ranges.constEnd(); ++it ) {
// delete the unwanted part
if( d.m_editorWidget->rangeStart( *it ) > pos ) {
// split so the range's start is the first frame of the new track
K3bAudioTrack* nextTrack = track->split( d.m_editorWidget->rangeStart( *it ) - pos );
delete track;
track = nextTrack;
}
// create a new track part for the range itself
pos = d.m_editorWidget->rangeStart( *it );
if( d.m_editorWidget->rangeEnd( *it ) < d.m_editorWidget->length()-1 ) {
// split so the range's end is the last frame in the old track
// and thus, the range's end + 1 the first frame in the new track
track = track->split( d.m_editorWidget->rangeEnd( *it ) - pos + 1 );
}
pos = d.m_editorWidget->rangeEnd( *it )+1;
}
// remove the last unwanted part
if( pos < d.m_editorWidget->length() ) {
delete track;
}
}
}
#include "k3baudiotracksplitdialog.moc"
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