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