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/*
*
* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* 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 "k3bvideodvdrippingtitlelistview.h"
#include "k3bvideodvdrippingpreview.h"
#include <k3btooltip.h>
#include <k3bapplication.h>
#include <k3bmediacache.h>
#include <k3bvideodvd.h>
#include <k3bvideodvdaudiostream.h>
#include <k3bvideodvdvideostream.h>
#include <k3bvideodvdsubpicturestream.h>
#include <tqsimplerichtext.h>
#include <tqfontmetrics.h>
#include <tqpainter.h>
#include <tqheader.h>
#include <tqtooltip.h>
#include <klocale.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <kapplication.h>
static TQString audioStreamString( const K3bVideoDVD::Title& title, unsigned int maxLines = 9999, bool includeExtInfo = true )
{
TQString s = "<p>";
for( unsigned int i = 0; i < TQMIN( title.numAudioStreams(), maxLines ); ++i ) {
if( i > 0 )
s += "<br>";
s += TQString::number(i+1) + ": "
+ i18n("%1 %2Ch (%3<em>%4</em>)")
.tqarg( K3bVideoDVD::audioFormatString( title.audioStream(i).format() ) )
.tqarg( title.audioStream(i).channels() )
.tqarg( title.audioStream(i).langCode().isEmpty()
? i18n("unknown language")
: KGlobal::locale()->twoAlphaToLanguageName( title.audioStream(i).langCode() ) )
.tqarg( includeExtInfo && title.audioStream(i).codeExtension() != K3bVideoDVD::AUDIO_CODE_EXT_UNSPECIFIED
? TQString(" ") + K3bVideoDVD::audioCodeExtensionString( title.audioStream(i).codeExtension() )
: TQString() );
}
if( title.numAudioStreams() > maxLines )
s += "...";
return s;
}
static TQString subpictureStreamString( const K3bVideoDVD::Title& title, unsigned int maxLines = 9999, bool includeExtInfo = true )
{
TQString s = "<p>";
for( unsigned int i = 0; i < TQMIN( title.numSubPictureStreams(), maxLines ); ++i ) {
if( i > 0 )
s += "<br>";
s += TQString::number(i+1) + ": "
+ TQString("%1 (%2<em>%3</em>)")
.tqarg( title.subPictureStream(i).codeMode() == K3bVideoDVD::SUBPIC_CODE_MODE_RLE
? i18n("RLE")
: i18n("Extended") )
.tqarg( title.subPictureStream(i).langCode().isEmpty()
? i18n("unknown language")
: KGlobal::locale()->twoAlphaToLanguageName( title.subPictureStream(i).langCode() ) )
.tqarg( includeExtInfo && title.subPictureStream(i).codeExtension() != K3bVideoDVD::SUBPIC_CODE_EXT_UNSPECIFIED
? TQString(" ") + K3bVideoDVD::subPictureCodeExtensionString( title.subPictureStream(i).codeExtension() )
: TQString() );
}
if( title.numSubPictureStreams() > maxLines )
s += "...";
return s;
}
class K3bVideoDVDRippingTitleListView::TitleViewItem : public K3bCheckListViewItem
{
public:
TitleViewItem( K3bVideoDVDRippingTitleListView* tqparent, TQListViewItem* after, const K3bVideoDVD::Title& title )
: K3bCheckListViewItem( tqparent, after ),
m_title( title ) {
setMarginVertical( 4 );
setMarginHorizontal( 1, 2 );
setMarginHorizontal( 2, 2 );
setMarginHorizontal( 3, 2 );
setMarginHorizontal( 4, 2 );
setMarginHorizontal( 5, 2 );
setChecked(true);
m_previewSet = false;
}
const K3bVideoDVD::Title& videoDVDTitle() const { return m_title; }
void setup() {
widthChanged();
// set a valid height
int maxH = 0;
for( int c = 1; c <= 4; ++c ) {
TQSimpleRichText rt( text(c), listView()->font() );
rt.setWidth( 600 ); // way to big to avoid line breaks
maxH = TQMAX( maxH, rt.height() );
}
setHeight( maxH + 2*marginVertical() );
}
int width( const TQFontMetrics& fm, const TQListView* lv, int c ) const {
if( c == 0 )
return K3bCheckListViewItem::width( fm, lv, c );
else {
TQSimpleRichText rt( text(c), lv->font() );
rt.setWidth( 600 ); // way to big to avoid line breaks
return rt.widthUsed() + 2*marginHorizontal( c );
}
}
void setPreview( const TQImage& preview ) {
m_preview = preview;
m_scaledPreview = TQPixmap();
m_previewSet = true;
tqrepaint();
}
const TQImage& preview() const {
return m_preview;
}
protected:
void paintK3bCell( TQPainter* p, const TQColorGroup& cg, int col, int w, int align ) {
p->save();
if( col == 0 ) {
// the check mark
K3bCheckListViewItem::paintK3bCell( p, cg, col, w, align );
}
else if( col == 2 ) {
if( isSelected() ) {
p->fillRect( 0, 0, w, height(),
cg.brush( TQColorGroup::Highlight ) );
p->setPen( cg.highlightedText() );
}
else {
p->fillRect( 0, 0, w, height(), cg.base() );
p->setPen( cg.text() );
}
// draw the preview
int h = height();
h -= 2*marginVertical();
h -= 1; // the separator
if( !m_preview.isNull() ) {
if( m_scaledPreview.height() != h ) {
// recreate scaled preview
int preH = m_preview.height()*w/m_preview.width();
int preW = m_preview.width()*h/m_preview.height();
if( preH > h )
preH = m_preview.height()*preW/m_preview.width();
if( preW > w )
preW = m_preview.width()*preH/m_preview.height();
m_scaledPreview.convertFromImage( m_preview.smoothScale( preW, preH ), 0 );
}
// center the preview in the column
int yPos = ( height() - m_scaledPreview.height() ) / 2;
int xPos = ( w - m_scaledPreview.width() ) / 2;
p->drawPixmap( xPos, yPos, m_scaledPreview );
}
else if( m_previewSet ) {
int preW = 0;
if( m_title.videoStream().displayAspectRatio() == K3bVideoDVD::VIDEO_ASPECT_RATIO_4_3 )
preW = h*4/3;
else
preW = h*16/9;
p->drawRect( ( w - preW ) / 2, ( height() - h ) / 2, preW, h );
TQPixmap noIcon = KApplication::kApplication()->iconLoader()->loadIcon( "no", KIcon::NoGroup, KIcon::SizeSmall, KIcon::DefaultState, 0, true );
p->drawPixmap( ( w - noIcon.width() ) / 2, ( height() - noIcon.height() ) / 2, noIcon );
}
else {
p->drawText( 0, 0, w, height(), TQt::AlignCenter, "..." );
}
}
else {
TQString s = text( col );
if( s.isEmpty() )
K3bCheckListViewItem::paintK3bCell( p, cg, col, w, align );
else {
TQColorGroup cg1( cg );
if( isSelected() ) {
p->fillRect( 0, 0, w, height(),
cg.brush( TQColorGroup::Highlight ) );
cg1.setColor( TQColorGroup::Text, cg.highlightedText() );
}
else {
p->fillRect( 0, 0, w, height(), cg.base() );
}
// paint using TQSimpleRichText
TQSimpleRichText rt( text(col), listView()->font() );
rt.setWidth( 600 ); // way to big to avoid line breaks
// normally we would have to clip the height to height()-2*marginVertical(). But if we do that
// some characters are cut (such as p or q). It seems as if TQSimpleRichText does not properly
// calculate it's height...
rt.draw( p, 0, marginVertical(), TQRect( 0, 0, w, height() ), cg1 );
}
}
// draw the separator
if( listView()->firstChild() != this ) {
p->translate( -1*marginHorizontal(col), 0 );
// FIXME: modify the value from palette().disabled().foreground() to be lighter (or darker, depending on the background color )
p->setPen( TQt::lightGray );
p->drawLine( 0, 0, w+2*marginHorizontal(col), 0 );
}
p->restore();
}
private:
TQString text( int col ) const {
switch( col ) {
case 1:
// Title X + length
return i18n("<p><b>Title %1 (%2)</b><br>"
"%3")
.tqarg( m_title.titleNumber(), 2 )
.tqarg( m_title.playbackTime().toString( false ) )
.tqarg( i18n("%n chapter", "%n chapters", m_title.numPTTs() ) );
case 3:
// video stream info
return TQString("<p>%1 %2x%3<br>%4%5")
.tqarg( m_title.videoStream().mpegVersion() == 0 ? i18n("MPEG1") : i18n("MPEG2") )
.tqarg( m_title.videoStream().pictureWidth() )
.tqarg( m_title.videoStream().pictureHeight() )
.tqarg( m_title.videoStream().displayAspectRatio() == K3bVideoDVD::VIDEO_ASPECT_RATIO_4_3 ? "4:3" : "16:9" )
.tqarg( m_title.videoStream().letterboxed() ? TQString(" - <em>") + i18n("letterboxed") + TQString("</em>"):
m_title.videoStream().permittedDf() == K3bVideoDVD::VIDEO_PERMITTED_DF_LETTERBOXED
? TQString(" - <em>") + i18n("anamorph") + TQString("</em>") : TQString() );
case 4:
// audio streams info
if( m_title.numAudioStreams() > 0 )
return audioStreamString( m_title, 2, false );
else
return "<p><small><em>" + i18n("No audio streams") + "</em>";
case 5:
// subpicture streams info
if( m_title.numSubPictureStreams() > 0 )
return subpictureStreamString( m_title, 2, false );
else
return "<p><small><em>" + i18n("No Subpicture streams") + "</em>";
default:
return K3bCheckListViewItem::text( col );
}
}
K3bVideoDVD::Title m_title;
bool m_previewSet;
TQImage m_preview;
TQPixmap m_scaledPreview;
};
class K3bVideoDVDRippingTitleListView::TitleToolTip : public K3bToolTip
{
public:
TitleToolTip( K3bVideoDVDRippingTitleListView* view )
: K3bToolTip( view->viewport() ),
m_view( view ) {
}
void maybeTip( const TQPoint& pos ) {
TitleViewItem* item = static_cast<TitleViewItem*>( m_view->itemAt( pos ) );
TQPoint contentsPos = m_view->viewportToContents( pos );
if( !item )
return;
int col = m_view->header()->sectionAt( contentsPos.x() );
TQRect r = m_view->tqitemRect( item );
int headerPos = m_view->header()->sectionPos( col );
r.setLeft( headerPos );
r.setRight( headerPos + m_view->header()->sectionSize( col ) );
switch( col ) {
case 2:
if( !item->preview().isNull() ) {
TQPixmap previewPix;
if( previewPix.convertFromImage( item->preview() ) )
tip( r, previewPix, 0 );
}
break;
case 4:
if( item->videoDVDTitle().numAudioStreams() > 0 )
tip( r, "<p><b>" + i18n("Audio Streams") + "</b><p>" + audioStreamString( item->videoDVDTitle() ), 0 );
break;
case 5:
if( item->videoDVDTitle().numSubPictureStreams() > 0 )
tip( r, "<p><b>" + i18n("Subpicture Streams") + "</b><p>" + subpictureStreamString( item->videoDVDTitle() ), 0 );
break;
}
}
private:
K3bVideoDVDRippingTitleListView* m_view;
};
K3bVideoDVDRippingTitleListView::K3bVideoDVDRippingTitleListView( TQWidget* tqparent )
: K3bListView( tqparent )
{
setFullWidth(true);
setSorting(-1);
setAllColumnsShowFocus( true );
setSelectionModeExt( Single );
addColumn( "" );
addColumn( i18n("Title") );
addColumn( i18n("Preview") );
addColumn( i18n("Video") );
addColumn( i18n("Audio") );
addColumn( i18n("Subpicture") );
header()->setClickEnabled( false );
setColumnWidthMode( 0, TQListView::Manual );
setColumnWidth( 0, 20 );
header()->setResizeEnabled( false, 0 );
m_toolTip = new TitleToolTip( this );
m_previewGen = new K3bVideoDVDRippingPreview( this );
connect( m_previewGen, TQT_SIGNAL(previewDone(bool)),
this, TQT_SLOT(slotPreviewDone(bool)) );
}
K3bVideoDVDRippingTitleListView::~K3bVideoDVDRippingTitleListView()
{
delete m_toolTip;
}
void K3bVideoDVDRippingTitleListView::setVideoDVD( const K3bVideoDVD::VideoDVD& dvd )
{
clear();
m_dvd = dvd;
m_medium = k3bappcore->mediaCache()->medium( m_dvd.device() );
m_itemMap.resize( dvd.numTitles() );
for( unsigned int i = 0; i < dvd.numTitles(); ++i )
m_itemMap[i] = new TitleViewItem( this, lastItem(), dvd.title(i) );
m_currentPreviewTitle = 1;
m_previewGen->generatePreview( m_dvd, 1 );
}
void K3bVideoDVDRippingTitleListView::slotPreviewDone( bool success )
{
if( success )
m_itemMap[m_currentPreviewTitle-1]->setPreview( m_previewGen->preview() );
else
m_itemMap[m_currentPreviewTitle-1]->setPreview( TQImage() );
// cancel if we got hidden or if the medium changed.
if( isVisible() && m_medium == k3bappcore->mediaCache()->medium( m_dvd.device() ) ) {
++m_currentPreviewTitle;
if( m_currentPreviewTitle <= m_dvd.numTitles() )
m_previewGen->generatePreview( m_dvd, m_currentPreviewTitle );
}
}
void K3bVideoDVDRippingTitleListView::hideEvent( TQHideEvent* e )
{
//
// For now we do it the easy way: just stop the preview generation
// once this view is hidden
//
m_previewGen->cancel();
K3bListView::hideEvent( e );
}
#include "k3bvideodvdrippingtitlelistview.moc"
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