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tdegraphics/kooka/kocrbase.cpp

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/***************************************************************************
kocrbase.cpp - base dialog for ocr
-------------------
begin : Fri Now 10 2000
copyright : (C) 2000 by Klaas Freitag
email : freitag@suse.de
***************************************************************************/
/***************************************************************************
* *
* This file may be distributed and/or modified under the terms of the *
* GNU General Public License version 2 as published by the Free Software *
* Foundation and appearing in the file COPYING included in the *
* packaging of this file. *
*
* As a special exception, permission is given to link this program *
* with any version of the KADMOS ocr/icr engine of reRecognition GmbH, *
* Kreuzlingen and distribute the resulting executable without *
* including the source code for KADMOS in the source distribution. *
*
* As a special exception, permission is given to link this program *
* with any edition of TQt, and distribute the resulting executable, *
* without including the source code for TQt in the source distribution. *
* *
***************************************************************************/
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqfileinfo.h>
#include <tqtooltip.h>
#include <kio/job.h>
#include <kio/previewjob.h>
#include <kapplication.h>
#include <kconfig.h>
#include <kglobal.h>
#include <kdebug.h>
#include <klocale.h>
#include <kanimwidget.h>
#include <kseparator.h>
#include <kmessagebox.h>
#include <kactivelabel.h>
#include <tqhbox.h>
#include <tqvbox.h>
#include "resource.h"
#include "kocrbase.h"
#include "ksaneocr.h"
#include "kookaimage.h"
#include <kscanslider.h>
#include <kstandarddirs.h>
#include <kfilemetainfo.h>
#include <ksconfig.h>
#include <tqstringlist.h>
#include <tqcolor.h>
#include <tqgrid.h>
#include <tqsizepolicy.h>
#include <tqgroupbox.h>
#include <tqcheckbox.h>
KOCRBase::KOCRBase( TQWidget *parent, KSpellConfig *spellConfig,
KDialogBase::DialogType face )
:KDialogBase( face, i18n("Optical Character Recognition"),
User2|Close|User1, User1, parent,0, false, true,
KGuiItem( i18n("Start OCR" ), "launch",
i18n("Start the Optical Character Recognition process" )),
KGuiItem( i18n("Cancel" ), "stopocr",
i18n("Stop the OCR Process" ))),
m_animation(0L),
m_metaBox(0L),
m_imgHBox(0L),
m_previewPix(0L),
m_currImg(0L),
m_spellConfig(spellConfig),
m_wantSpellCfg(true),
m_userWantsSpellCheck(true),
m_cbWantCheck(0L),
m_gbSpellOpts(0L)
{
kdDebug(28000) << "OCR Base Dialog!" << endl;
// Layout-Boxes
KConfig *konf = KGlobal::config ();
KConfigGroupSaver gs( konf, CFG_OCR_KSPELL );
m_userWantsSpellCheck = konf->readBoolEntry(CFG_WANT_KSPELL, true);
/* Connect signals which disable the fields and store the configuration */
connect( this, TQT_SIGNAL( user1Clicked()), this, TQT_SLOT( writeConfig()));
connect( this, TQT_SIGNAL( user1Clicked()), this, TQT_SLOT( startOCR() ));
connect( this, TQT_SIGNAL( user2Clicked()), this, TQT_SLOT( stopOCR() ));
m_previewSize.setWidth(200);
m_previewSize.setHeight(300);
enableButton( User1, true ); /* start ocr */
enableButton( User2, false ); /* Cancel */
enableButton( Close, true );
}
KAnimWidget* KOCRBase::getAnimation(TQWidget *parent)
{
if( ! m_animation )
{
m_animation = new KAnimWidget( TQString("kde"), 48, parent, "ANIMATION" );
}
return( m_animation );
}
EngineError KOCRBase::setupGui()
{
ocrIntro();
imgIntro();
if( m_wantSpellCfg ) spellCheckIntro();
return ENG_OK;
}
void KOCRBase::imgIntro()
{
m_imgPage = addVBoxPage( i18n("Image") );
(void) new TQLabel( i18n("Image Information"), m_imgPage );
// Caption - Label and image
m_imgHBox = new TQHBox( m_imgPage );
m_imgHBox->setSpacing( KDialog::spacingHint());
m_previewPix = new TQLabel( m_imgHBox );
m_previewPix->setPixmap(TQPixmap());
m_previewPix->setFixedSize(m_previewSize);
m_previewPix->setAlignment( TQt::AlignCenter );
m_previewPix->setFrameStyle( TQFrame::Panel | TQFrame::Sunken );
// m_previewPix->resize(m_previewSize);
/* See introduceImage where the meta box is filled with data from the
* incoming widget.
*/
m_metaBox = new TQVBox( m_imgHBox );
}
/*
* This creates a Tab OCR
*/
void KOCRBase::ocrIntro( )
{
m_ocrPage = addVBoxPage( i18n("OCR") );
// Caption - Label and image
/* labelstring */
(void) new TQLabel( i18n("<b>Starting Optical Character Recognition with %1</b><p>").
arg( ocrEngineName() ), m_ocrPage );
// Find the kadmos logo and display if available
KStandardDirs stdDir;
TQString logo = stdDir.findResource( "data", "kooka/pics/" + ocrEngineLogo() );
kdDebug(28000)<< "Reading logo " << logo << endl;
TQPixmap pix;
TQWidget *pa = m_ocrPage;
if( pix.load( logo ))
{
TQHBox *hb_cap = new TQHBox( m_ocrPage );
hb_cap->setSpacing( KDialog::spacingHint());
TQLabel *imgLab = new TQLabel( hb_cap );
imgLab->setAlignment( TQt::AlignHCenter | TQt::AlignTop );
imgLab->setPixmap( pix );
pa = hb_cap;
}
(void) new KActiveLabel( ocrEngineDesc(), pa );
}
void KOCRBase::spellCheckIntro()
{
m_spellchkPage = addVBoxPage( i18n("Spell-checking") );
/* Want the spell checking at all? Checkbox here */
TQGroupBox *gb1 = new TQGroupBox( 1, Qt::Horizontal, i18n("OCR Post Processing"), m_spellchkPage );
m_cbWantCheck = new TQCheckBox( i18n("Enable spell-checking for validation of the OCR result"),
gb1 );
/* Spellcheck options */
m_gbSpellOpts = new TQGroupBox( 1, Qt::Horizontal, i18n("Spell-Check Options"),
m_spellchkPage );
KSpellConfig *sCfg = new KSpellConfig( m_gbSpellOpts, "SPELLCHK", m_spellConfig, false );
/* A space eater */
TQWidget *spaceEater = new TQWidget(m_spellchkPage);
spaceEater->setSizePolicy( TQSizePolicy( TQSizePolicy::Ignored, TQSizePolicy::Ignored ));
/* connect toggle button */
connect( m_cbWantCheck, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slWantSpellcheck(bool)));
m_cbWantCheck->setChecked( m_userWantsSpellCheck );
m_gbSpellOpts->setEnabled( m_userWantsSpellCheck );
m_spellConfig = sCfg;
connect( sCfg, TQT_SIGNAL(configChanged()),
this, TQT_SLOT(slSpellConfigChanged()));
}
void KOCRBase::slSpellConfigChanged()
{
kdDebug(28000) << "Spellcheck config changed" << endl;
}
void KOCRBase::stopAnimation()
{
if( m_animation )
m_animation->stop();
}
void KOCRBase::startAnimation()
{
if( m_animation )
m_animation->start();
}
KOCRBase::~KOCRBase()
{
}
void KOCRBase::introduceImage( KookaImage* img)
{
if( ! (img && img->isFileBound()) ) return;
KFileMetaInfo info = img->fileMetaInfo();
TQStringList groups;
if ( info.isValid() )
groups = info.preferredGroups();
delete m_metaBox;
m_metaBox = new TQVBox( m_imgHBox );
/* Start to create a preview job for the thumb */
KURL::List li(img->url());
KIO::Job *m_job = KIO::filePreview(li, m_previewSize.width(),
m_previewSize.height());
if( m_job )
{
connect( m_job, TQT_SIGNAL( result( KIO::Job * )),
this, TQT_SLOT( slPreviewResult( KIO::Job * )));
connect( m_job, TQT_SIGNAL( gotPreview( const KFileItem*, const TQPixmap& )),
TQT_SLOT( slGotPreview( const KFileItem*, const TQPixmap& ) ));
/* KIO::Jo result is called in any way: Success, Failed, Error,
* thus connecting the failed is not really necessary.
*/
}
for ( TQStringList::Iterator it = groups.begin(); it != groups.end(); ++it )
{
TQString theGroup(*it);
kdDebug(29000) << "handling the group " << theGroup << endl;
TQStringList keys = info.group(theGroup).supportedKeys();
if( keys.count() > 0 )
{
// info.groupInfo( theGroup )->translatedName()
// FIXME: howto get the translated group name?
TQLabel *lGroup = new TQLabel( theGroup, m_metaBox );
lGroup->setBackgroundColor( TQColor(gray));
lGroup->setMargin( KDialog::spacingHint());
TQGrid *nGrid = new TQGrid( 2, m_metaBox );
nGrid->setSpacing( KDialog::spacingHint());
for ( TQStringList::Iterator keyIt = keys.begin(); keyIt != keys.end(); ++keyIt )
{
KFileMetaInfoItem item = info.item(*keyIt);
TQString itKey = item.translatedKey();
if( itKey.isEmpty() )
itKey = item.key();
if( ! itKey.isEmpty() )
{
(void) new TQLabel( item.translatedKey() + ": ", nGrid );
(void) new TQLabel( item.string(), nGrid );
kdDebug(29000) << "hasKey " << *keyIt << endl;
}
}
}
}
TQWidget *spaceEater = new TQWidget( m_metaBox );
spaceEater->setSizePolicy( TQSizePolicy( TQSizePolicy::Ignored, TQSizePolicy::Ignored ));
m_metaBox->show();
}
void KOCRBase::slPreviewResult(KIO::Job *job )
{
// nothing
if( job && job->error() > 0 )
{
kdDebug(28000) << "Thumbnail Creation ERROR: " << job->errorString() << endl;
job->showErrorDialog( 0 );
}
}
void KOCRBase::slGotPreview( const KFileItem*, const TQPixmap& newPix )
{
kdDebug(28000) << "Got the preview" << endl;
m_previewPix->setPixmap(newPix);
if( m_previewPix && m_currImg )
{
m_previewPix->setPixmap(newPix);
}
}
void KOCRBase::writeConfig()
{
}
bool KOCRBase::wantSpellCheck()
{
return m_userWantsSpellCheck;
}
void KOCRBase::startOCR()
{
/* en- and disable the buttons */
kdDebug(28000) << "Base: Starting OCR" << endl;
enableFields(false);
enableButton( User1, false ); /* Start OCR */
enableButton( User2, true ); /* Stop OCR */
enableButton( Close, true );
startAnimation();
}
void KOCRBase::stopOCR()
{
enableFields(true);
enableButton( User1, true ); /* start ocr */
enableButton( User2, false ); /* Cancel */
enableButton( Close, true );
stopAnimation();
}
void KOCRBase::enableFields(bool)
{
}
void KOCRBase::slWantSpellcheck( bool wantIt )
{
if( m_gbSpellOpts )
{
m_gbSpellOpts->setEnabled( wantIt );
}
m_userWantsSpellCheck = wantIt;
KConfig *konf = KGlobal::config ();
KConfigGroupSaver gs( konf, CFG_OCR_KSPELL );
konf->writeEntry( CFG_WANT_KSPELL, wantIt );
}
/* The End ;) */
#include "kocrbase.moc"