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tdemultimedia/krec/krecfilewidgets.cpp

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/***************************************************************************
copyright : (C) 2003 by Arnold Krille
email : arnold@arnoldarts.de
***************************************************************************/
/***************************************************************************
* *
* 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; version 2 of the License. *
* *
***************************************************************************/
#include "krecfilewidgets.h"
#include "krecfilewidgets.moc"
#include "krecfile.h"
#include "krecglobal.h"
#include <kdebug.h>
#include <klocale.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqpainter.h>
#include <tqpointarray.h>
#include <tqlineedit.h>
#include <kinputdialog.h>
#include <tqregion.h>
#include <tqrect.h>
#include <tqfont.h>
#include <tqfontmetrics.h>
#include <kpopupmenu.h>
#include <kactionclasses.h>
#include <kaction.h>
KRecFileWidget::KRecFileWidget( KRecFile* file, TQWidget* p, const char* n )
: TQFrame( p,n )
, _file( 0 )
{
kdDebug( 60005 ) << k_funcinfo << file << endl;
setFrameStyle( TQFrame::Panel|TQFrame::Sunken );
setLineWidth( 1 );
setMinimumHeight( 20 );
setFile( file );
}
KRecFileWidget::~KRecFileWidget() {
kdDebug( 60005 ) << k_funcinfo << endl;
}
void KRecFileWidget::setFile( KRecFile* file ) {
kdDebug( 60005 ) << k_funcinfo << file << endl;
if ( _file != file ) {
_file = file;
//kdDebug( 60005 ) << "Removing widgets" << endl;
TQValueList<KRecBufferWidget*>::iterator it = bufferwidgets.begin();
while ( it != bufferwidgets.end() ) {
delete ( *it );
++it;
}
bufferwidgets.clear();
resizeEvent();
if ( _file ) {
for ( TQValueList<KRecBuffer*>::iterator it = _file->_buffers.begin(); it != _file->_buffers.end(); ++it ) {
newBuffer( ( *it ) );
}
connect( _file, TQT_SIGNAL( sNewBuffer( KRecBuffer* ) ), TQT_TQOBJECT(this), TQT_SLOT( newBuffer( KRecBuffer* ) ) );
connect( _file, TQT_SIGNAL( sDeleteBuffer( KRecBuffer* ) ), TQT_TQOBJECT(this), TQT_SLOT( deleteBuffer( KRecBuffer* ) ) );
//kdDebug( 60005 ) << _file->_currentBuffer << endl;
}
}
}
void KRecFileWidget::resizeEvent( TQResizeEvent* /*qre*/ ) {
//kdDebug( 60005 ) << k_funcinfo << endl;
if ( _file ) {
int w = contentsRect().width();
int h = contentsRect().height();
TQValueList<KRecBufferWidget*>::iterator it;
for ( it = bufferwidgets.begin(); it != bufferwidgets.end(); ++it ) {
int width, x;
if ( !_file->offsetSize()==0 && !( *it )->buffer()->size()==0 ) {
width = int ( float( ( *it )->buffer()->size() ) / _file->offsetSize() * w );
x = int( float( ( *it )->buffer()->startpos() ) / _file->size() * w ) + contentsRect().left() ;
} else {
width = 5;
x = contentsRect().left();
}
( *it )->setGeometry( x, contentsRect().top(), width, h );
}
}
}
void KRecFileWidget::mouseReleaseEvent( TQMouseEvent* qme ) {
kdDebug( 60005 ) << k_funcinfo << "(" << qme->x() << "|" << qme->y() << ")" << endl;
}
void KRecFileWidget::newBuffer( KRecBuffer* buffer ) {
//kdDebug( 60005 ) << k_funcinfo << buffer << endl;
KRecBufferWidget *tmp = new KRecBufferWidget( buffer, this );
connect( tmp, TQT_SIGNAL( popupMenu( KRecBufferWidget*, TQPoint ) ), TQT_TQOBJECT(this), TQT_SLOT( popupMenu( KRecBufferWidget*, TQPoint ) ) );
bufferwidgets.append( tmp );
tmp->show();
resizeEvent();
}
void KRecFileWidget::deleteBuffer( KRecBuffer* buffer ) {
//kdDebug( 60005 ) << k_funcinfo << buffer << endl;
TQValueList<KRecBufferWidget*>::iterator it = bufferwidgets.begin();
KRecBufferWidget* tmp = 0;
while ( it != bufferwidgets.end() ) {
if ( ( *it )->buffer() == buffer ) tmp = ( *it );
++it;
}
if ( tmp != 0 ) {
delete tmp;
bufferwidgets.remove( tmp );
}
}
void KRecFileWidget::popupMenu( KRecBufferWidget* bw, TQPoint pos ) {
KPopupMenu tmp( this );
KToggleAction* _activeaction = new KToggleAction( i18n( "Toggle Active/Disabled State" ), KShortcut(), TQT_TQOBJECT(this) );
_activeaction->setChecked( bw->buffer()->active() );
connect( _activeaction, TQT_SIGNAL( toggled( bool ) ), bw->buffer(), TQT_SLOT( setActive( bool ) ) );
KAction* _removeaction = new KAction( i18n( "Remove This Part" ), "fileremove", KShortcut(), bw->buffer(), TQT_SLOT( deleteBuffer() ), TQT_TQOBJECT(this) );
KAction* _changetitle = new KAction( i18n( "Change Title of This Part" ), KShortcut(), TQT_TQOBJECT(bw), TQT_SLOT( changeTitle() ), TQT_TQOBJECT(this) );
KAction* _changecomment = new KAction( i18n( "Change Comment of This Part" ), KShortcut(), TQT_TQOBJECT(bw), TQT_SLOT( changeComment() ), TQT_TQOBJECT(this) );
_activeaction->plug( &tmp );
_changetitle->plug( &tmp );
_changecomment->plug( &tmp );
tmp.insertSeparator();
_removeaction->plug( &tmp );
tmp.exec( pos );
delete _removeaction;
delete _changecomment;
delete _changetitle;
delete _activeaction;
}
KRecBufferWidget::KRecBufferWidget( KRecBuffer* buffer, TQWidget* p, const char* n )
: TQFrame( p,n )
, _buffer( buffer )
, _main_region( 0 ), _title_region( 0 ), _fileend_region( 0 )
, alreadyreadsize( 0 )
{
connect( _buffer, TQT_SIGNAL( somethingChanged() ), TQT_TQOBJECT(this), TQT_SLOT( update() ) );
kdDebug( 60005 ) << k_funcinfo << endl;
}
KRecBufferWidget::~KRecBufferWidget() {
kdDebug( 60005 ) << k_funcinfo << endl;
}
void KRecBufferWidget::resizeEvent( TQResizeEvent* ) {
//kdDebug( 60005 ) << k_funcinfo << endl;
}
void KRecBufferWidget::initLayout() {
_title_height = fontMetrics().boundingRect( _buffer->filename() ).height() + 4;
if( height()/5 > _title_height ) _title_height = height()/5;
int _title_width = fontMetrics().boundingRect( _buffer->filename() ).width() + 10;
if ( _title_width > width() ) _title_width = width();
if ( _main_region ) delete _main_region;
_main_region = new TQRegion( TQRect( 0, _title_height, width(), height()-_title_height ) );
if ( _title_region ) delete _title_region;
if ( _buffer->active() )
_title_region = new TQRegion( TQRect( 0, 0, _title_width, _title_height ) );
else
_title_region = new TQRegion( TQRect( 0, _title_height/2, _title_width, _title_height/2 ) );
if ( _fileend_region ) { delete _fileend_region; _fileend_region=0; }
if ( _buffer->active() )
_fileend_region = new TQRegion( TQRect( width()-4, _title_height/2, 4, _title_height/2 ) );
else
_fileend_region = new TQRegion( TQRect( width()-4, _title_height/4*3, 4, _title_height/4 ) );
setMask( _main_region->unite( *_title_region ).unite( *_fileend_region ) );
_topleft = _title_region->boundingRect().topLeft();
_bottomleft = _main_region->boundingRect().bottomLeft();
_bottomright = _main_region->boundingRect().bottomRight();
_topright = _main_region->boundingRect().topRight();
_bottommiddle = _title_region->boundingRect().bottomRight();
_bottommiddle += TQPoint( 0, 1 );
_topmiddle = _title_region->boundingRect().topRight();
}
void KRecBufferWidget::drawFrame( TQPainter* p ) {
//kdDebug( 60005 ) << k_funcinfo << endl;
if ( _buffer->active() )
p->setBrush( colorGroup().highlight() );
else
p->setBrush( colorGroup().highlight().dark() );
p->setPen( TQPen( colorGroup().dark(), 1 ) );
p->drawRect( _title_region->boundingRect() );
p->drawRect( _fileend_region->boundingRect() );
p->setBrush( TQBrush() );
p->setPen( TQPen( colorGroup().dark(), 1 ) );
p->drawRect( _main_region->boundingRect() );
p->setPen( TQPen( colorGroup().highlightedText() ) );
p->drawText( _title_region->boundingRect(), TQt::AlignCenter, _buffer->title() );
}
void KRecBufferWidget::drawContents( TQPainter* p ) {
//kdDebug( 60005 ) << k_funcinfo << endl;
initSamples();
int space = ( _main_region->boundingRect().height() - 2 ) / 2;
int xoffset = _main_region->boundingRect().top() + space + 1;
p->setPen( TQPen( TQColor( 0,0,255 ) ) );
for ( uint i=0; i<samples1.count(); i++ )
p->drawPoint( i, int( samples1[ i ]->getMax() * space + xoffset ) );
for ( uint i=0; i<samples1.count(); i++ )
p->drawPoint( i, int( samples1[ i ]->getMin() * space + xoffset ) );
p->setPen( TQPen( TQColor( 255,0,0 ) ) );
for ( uint i=0; i<samples1.count(); i++ )
p->drawPoint( i, int( samples1[ i ]->getValue() * space + xoffset ) );
p->setPen( TQPen( TQColor( 0,0,0 ) ) );
TQString comment = _buffer->comment();
if ( comment.isNull() ) comment = i18n( "Lots of Data" );
p->drawText( _main_region->boundingRect(), TQt::AlignCenter, comment );
}
void KRecBufferWidget::paintEvent( TQPaintEvent* ) {
initLayout();
TQPainter *p = new TQPainter( this );
drawFrame( p );
drawContents( p );
delete p;
}
void KRecBufferWidget::mousePressEvent( TQMouseEvent* qme ) {
kdDebug( 60005 ) << k_funcinfo << endl;
if ( _main_region->contains( qme->pos() ) || _title_region->contains( qme->pos() ) )
if ( qme->button() == Qt::RightButton )
emit popupMenu( this, qme->globalPos() );
}
void KRecBufferWidget::mouseDoubleClickEvent( TQMouseEvent* qme ) {
if ( _title_region->contains( qme->pos() ) )
_buffer->setActive( !_buffer->active() );
}
void KRecBufferWidget::initSamples() {
#if 0
/**
* Experimental.
*
* Doesn't really work since the conversion from char8/char16 to float in
* krecfile.cpp isn't working.
*/
//kdDebug( 60005 ) << k_funcinfo << endl;
if ( alreadyreadsize != _buffer->size() ) {
kdDebug( 60005 ) << k_funcinfo << "something to do" << endl;
while ( samples1.count() > 0 ) {
delete samples1.first();
samples1.pop_front();
}
while ( samples2.count() > 0 ) {
delete samples2.first();
samples2.pop_front();
}
Sample* tmp = new Sample();
samples1.append( tmp );
int j=0;
for ( int i=0; i<= _buffer->sizeInSamples(); ++i ) {
//for ( int i=0; i<= 10000; ++i ) {
if ( j/128 ) {
//kdDebug(60005) << "sample " << i << ": creating new Sample" << endl;
tmp = new Sample();
samples1.append( tmp );
j=0;
}
tmp->addValue( _buffer->getSample( i, 0 ) );
//kdDebug(60005) << "Getting value " << _buffer->getSample( i,0 ) << endl;
++j;
}
tmp = new Sample;
samples2.append( tmp );
j=0;
for ( uint i=0; i<samples1.count(); ++i ) {
if ( j/128 ) {
tmp = new Sample();
samples2.append( tmp );
j=0;
}
tmp->addValue( samples1[ i ]->getValue() );
++j;
}
// for ( uint i=0; i<samples1.count(); ++i )
// kdDebug(60005) << i << ": " << samples1[ i ]->getMin() << " < " << samples1[ i ]->getValue() << " < " << samples1[ i ]->getMax() << endl;
for ( uint i=0; i<samples2.count(); ++i )
kdDebug(60005) << i << ": " << samples2[ i ]->getMin() << " < " << samples2[ i ]->getValue() << " < " << samples2[ i ]->getMax() << endl;
alreadyreadsize = _buffer->size();
}
#endif
}
void KRecBufferWidget::changeTitle() {
TQString tmp = KInputDialog::getText( i18n( "New Title" ), i18n( "Enter new part title:" ), _buffer->title() );
if ( !tmp.isNull() )
_buffer->setTitle( tmp );
}
void KRecBufferWidget::changeComment() {
TQString tmp = KInputDialog::getText( i18n( "New Comment" ), i18n( "Enter new part comment:" ), _buffer->comment() );
if ( !tmp.isNull() )
_buffer->setComment( tmp );
}