Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 368 insertions, 0 deletions

diff --git a/kooka/kocrbase.cpp b/kooka/kocrbase.cpp
new file mode 100644
index 00000000..889739e7
--- /dev/null
+++ b/kooka/kocrbase.cpp
@@ -0,0 +1,368 @@
+/***************************************************************************
+                     kocrbase.cpp - base dialog for ocr
+                             -------------------
+    begin                : Fri Now 10 2000
+    copyright            : (C) 2000 by Klaas Freitag
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *  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 Qt, and distribute the resulting executable,       *
+ *  without including the source code for Qt in the source distribution.   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qfileinfo.h>
+#include <qtooltip.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 <qhbox.h>
+#include <qvbox.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 <qstringlist.h>
+#include <qcolor.h>
+#include <qgrid.h>
+#include <qsizepolicy.h>
+#include <qgroupbox.h>
+#include <qcheckbox.h>
+
+KOCRBase::KOCRBase( QWidget *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, SIGNAL( user1Clicked()), this, SLOT( writeConfig()));
+    connect( this, SIGNAL( user1Clicked()), this, SLOT( startOCR() ));
+    connect( this, SIGNAL( user2Clicked()), this, 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(QWidget *parent)
+{
+   if( ! m_animation )
+   {
+      m_animation = new KAnimWidget( QString("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 QLabel( i18n("Image Information"), m_imgPage );
+
+    // Caption - Label and image
+    m_imgHBox = new QHBox( m_imgPage );
+
+    m_imgHBox->setSpacing( KDialog::spacingHint());
+
+    m_previewPix = new QLabel( m_imgHBox );
+    m_previewPix->setPixmap(QPixmap());
+    m_previewPix->setFixedSize(m_previewSize);
+    m_previewPix->setAlignment( Qt::AlignCenter );
+    m_previewPix->setFrameStyle( QFrame::Panel | QFrame::Sunken );
+    // m_previewPix->resize(m_previewSize);
+
+    /* See introduceImage where the meta box is filled with data from the
+     * incoming widget.
+     */
+    m_metaBox = new QVBox( m_imgHBox );
+}
+
+/*
+ * This creates a Tab OCR
+ */
+void KOCRBase::ocrIntro( )
+{
+    m_ocrPage = addVBoxPage( i18n("OCR") );
+
+    // Caption - Label and image
+    /* labelstring */
+    (void) new QLabel( i18n("<b>Starting Optical Character Recognition with %1</b><p>").
+                       arg( ocrEngineName() ), m_ocrPage );
+    // Find the kadmos logo and display if available
+    KStandardDirs stdDir;
+    QString logo = stdDir.findResource( "data", "kooka/pics/" + ocrEngineLogo() );
+
+    kdDebug(28000)<< "Reading logo " << logo << endl;
+    QPixmap pix;
+    QWidget *pa = m_ocrPage;
+
+    if( pix.load( logo ))
+    {
+        QHBox *hb_cap = new QHBox( m_ocrPage );
+        hb_cap->setSpacing( KDialog::spacingHint());
+
+        QLabel *imgLab = new QLabel( hb_cap );
+        imgLab->setAlignment( Qt::AlignHCenter | Qt::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 */
+    QGroupBox *gb1 = new QGroupBox( 1, Qt::Horizontal, i18n("OCR Post Processing"), m_spellchkPage );
+    m_cbWantCheck = new QCheckBox( i18n("Enable spell-checking for validation of the OCR result"),
+                                   gb1 );
+    /* Spellcheck options */
+    m_gbSpellOpts = new QGroupBox( 1, Qt::Horizontal, i18n("Spell-Check Options"),
+                                   m_spellchkPage );
+
+    KSpellConfig *sCfg = new KSpellConfig( m_gbSpellOpts, "SPELLCHK", m_spellConfig, false );
+    /* A space eater */
+    QWidget *spaceEater = new QWidget(m_spellchkPage);
+    spaceEater->setSizePolicy( QSizePolicy( QSizePolicy::Ignored, QSizePolicy::Ignored ));
+
+    /* connect toggle button */
+    connect( m_cbWantCheck, SIGNAL(toggled(bool)), this, SLOT(slWantSpellcheck(bool)));
+    m_cbWantCheck->setChecked( m_userWantsSpellCheck );
+    m_gbSpellOpts->setEnabled( m_userWantsSpellCheck );
+    m_spellConfig = sCfg;
+
+    connect( sCfg, SIGNAL(configChanged()),
+            this, 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();
+    QStringList groups;
+    if ( info.isValid() )
+         groups = info.preferredGroups();
+
+    delete m_metaBox;
+    m_metaBox = new QVBox( 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, SIGNAL( result( KIO::Job * )),
+                 this, SLOT( slPreviewResult( KIO::Job * )));
+        connect( m_job, SIGNAL( gotPreview( const KFileItem*, const QPixmap& )),
+                 SLOT( slGotPreview( const KFileItem*, const QPixmap& ) ));
+         /* KIO::Jo result is called in any way: Success, Failed, Error,
+          * thus connecting the failed is not really necessary.
+          */
+    }
+
+    for ( QStringList::Iterator it = groups.begin(); it != groups.end(); ++it )
+    {
+        QString theGroup(*it);
+
+        kdDebug(29000) << "handling the group " << theGroup << endl;
+
+        QStringList keys = info.group(theGroup).supportedKeys();
+
+        if( keys.count() > 0 )
+        {
+            // info.groupInfo( theGroup )->translatedName()
+            // FIXME: howto get the translated group name?
+            QLabel *lGroup = new QLabel( theGroup, m_metaBox );
+            lGroup->setBackgroundColor( QColor(gray));
+            lGroup->setMargin( KDialog::spacingHint());
+
+            QGrid *nGrid = new QGrid( 2,  m_metaBox );
+            nGrid->setSpacing( KDialog::spacingHint());
+            for ( QStringList::Iterator keyIt = keys.begin(); keyIt != keys.end(); ++keyIt )
+            {
+                KFileMetaInfoItem item = info.item(*keyIt);
+                QString itKey = item.translatedKey();
+                if( itKey.isEmpty() )
+                    itKey = item.key();
+                if( ! itKey.isEmpty() )
+                {
+                    (void) new QLabel( item.translatedKey() + ": ", nGrid );
+                    (void) new QLabel( item.string(), nGrid );
+                    kdDebug(29000) << "hasKey " << *keyIt << endl;
+                }
+            }
+        }
+    }
+    QWidget *spaceEater = new QWidget( m_metaBox );
+    spaceEater->setSizePolicy( QSizePolicy( QSizePolicy::Ignored, QSizePolicy::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 QPixmap& 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"