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, 1140 insertions, 0 deletions

diff --git a/libkscan/scanparams.cpp b/libkscan/scanparams.cpp
new file mode 100644
index 00000000..d886d113
--- /dev/null
+++ b/libkscan/scanparams.cpp
@@ -0,0 +1,1140 @@
+/* This file is part of the KDE Project
+   Copyright (C) 1999 Klaas Freitag <freitag@suse.de>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include <sane/saneopts.h>
+#include <qcstring.h>
+#include <qfile.h>
+#include <qframe.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qcombobox.h>
+#include <qimage.h>
+#include <qtooltip.h>
+#include <qmessagebox.h>
+#include <qlayout.h>
+#include <qdict.h>
+#include <qprogressdialog.h>
+#include <qscrollview.h>
+#include <qsizepolicy.h>
+#include <qcheckbox.h>
+#include <qbuttongroup.h>
+
+
+#include <kfiledialog.h>
+#include <klocale.h>
+#include <kdebug.h>
+#include <kbuttonbox.h>
+#include <kiconloader.h>
+#include <kled.h>
+#include <kseparator.h>
+
+#include "scanparams.h"
+#include <scansourcedialog.h>
+#include "massscandialog.h"
+#include <gammadialog.h>
+#include "kscanslider.h"
+
+
+
+
+ScanParams::ScanParams( QWidget *parent, const char *name )
+   : QVBox( parent, name ),
+     m_firstGTEdit( true )
+{
+   /* first some initialisation and debug messages */
+    sane_device = 0; virt_filename = 0;
+    pb_edit_gtable = 0;
+    cb_gray_preview = 0;
+    pb_source_sel = 0;
+    bg_virt_scan_mode = 0;
+    xy_resolution_bind = 0;
+    progressDialog = 0;
+
+    /* Preload icons */
+    pixMiniFloppy = SmallIcon( "3floppy_unmount" );
+
+    pixColor = SmallIcon( "palette_color" );
+    pixGray  = SmallIcon( "palette_gray" );
+    pixLineArt = SmallIcon( "palette_lineart" );
+    pixHalftone = SmallIcon( "palette_halftone" );
+
+    /* intialise the default last save warnings */
+    startupOptset = 0;
+
+}
+
+bool ScanParams::connectDevice( KScanDevice *newScanDevice )
+{
+   setMargin( KDialog::marginHint() );
+   setSpacing( KDialog::spacingHint() );
+   /* Debug: dump common Options */
+
+   if( ! newScanDevice )
+   {
+      kdDebug(29000) << "No scan device found !" << endl;
+      sane_device = 0L;
+      createNoScannerMsg();
+      return( true );
+   }
+   sane_device = newScanDevice;
+
+   QStrList strl = sane_device->getCommonOptions();
+   QString emp;
+   for ( emp=strl.first(); strl.current(); emp=strl.next() )
+      kdDebug(29000) << "Common: " << strl.current() << endl;
+
+   /* Start path for virual scanner */
+   last_virt_scan_path = QDir::home();
+   adf = ADF_OFF;
+
+   /* Frame stuff for toplevel of scanparams - beautification */
+   setFrameStyle( QFrame::Panel | QFrame::Raised );
+   setLineWidth( 1 );
+
+
+   /* initialise own widgets */
+   cb_gray_preview = 0;
+
+   /* A top layout box */
+   // QVBoxLayout *top = new QVBoxLayout(this, 6);
+   QHBox *hb = new QHBox( this );
+   hb->setSpacing( KDialog::spacingHint() );
+   QString cap = i18n("<B>Scanner Settings</B>") + " : ";
+   cap += sane_device->getScannerName();
+   (void ) new QLabel( cap, hb );
+   m_led = new KLed( hb );
+   m_led->setState( KLed::Off );
+   m_led->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ));
+
+
+   (void) new KSeparator( KSeparator::HLine, this);
+
+   /* Now create Widgets for the important scan settings */
+   QScrollView *sv = 0;
+
+   if( sane_device->optionExists( SANE_NAME_FILE ) )
+   {
+      /* Its a virtual scanner */
+      scan_mode = ID_SANE_DEBUG;
+      virtualScannerParams( );
+
+   } else {
+      scan_mode = ID_SCAN;
+
+      /* load the startup scanoptions */
+      startupOptset = new KScanOptSet( DEFAULT_OPTIONSET );
+      Q_CHECK_PTR( startupOptset );
+
+      if( !startupOptset->load( "Startup" ) )
+      {
+	 kdDebug(29000) << "Could not load Startup-Options" << endl;
+	 delete startupOptset;
+	 startupOptset = 0;
+      }
+      sv = scannerParams( );
+   }
+
+   /* Reload all options to care for inactive options */
+   sane_device->slReloadAll();
+
+   /* Create a Start-Scan-Button */
+   (void) new KSeparator( KSeparator::HLine, this);
+   KButtonBox *kbb = new KButtonBox( this );
+   QPushButton* pb = kbb->addButton( KGuiItem( i18n( "Final S&can" ), "scanner" ) );
+   connect( pb, SIGNAL(clicked()), this, SLOT(slStartScan()) );
+   pb = kbb->addButton( i18n( "&Preview Scan" ));
+   connect( pb, SIGNAL(clicked()), this, SLOT(slAcquirePreview()) );
+   kbb->layout();
+
+   /* Initialise the progress dialog */
+   progressDialog = new QProgressDialog( i18n("Scanning in progress"),
+					 i18n("Stop"), 100, 0L,
+					 "SCAN_PROGRESS", true, 0  );
+   progressDialog->setAutoClose( true );
+   progressDialog->setAutoReset( true );
+
+   connect( sane_device, SIGNAL(sigScanProgress(int)),
+	    progressDialog, SLOT(setProgress(int)));
+
+   /* Connect the Progress Dialogs cancel-Button */
+   connect( progressDialog, SIGNAL( cancelled() ), sane_device,
+	    SLOT( slStopScanning() ) );
+
+   return( true );
+}
+
+
+ScanParams::~ScanParams()
+{
+   if( startupOptset )
+   {
+      delete startupOptset;
+      startupOptset = 0;
+   }
+
+   if( progressDialog )
+   {
+      delete( progressDialog );
+      progressDialog = 0;
+   }
+}
+
+void ScanParams::initialise( KScanOption *so )
+{
+   if( ! so ) return;
+   bool initialised = false;
+
+   if( startupOptset )
+   {
+      QCString name = so->getName();
+      if( ! name.isEmpty() ){
+	 QCString val = startupOptset->getValue( name );
+	 kdDebug( 29000) << "Initialising <" << name << "> with value <" << val << ">" << endl;
+	 so->set( val );
+	 sane_device->apply(so);
+	 initialised = true;
+      }
+   }
+
+   if( ! initialised )
+   {
+
+   }
+}
+
+QScrollView *ScanParams::scannerParams( )
+{
+   KScanOption *so = 0;
+
+   /* Its a real scanner */
+   QScrollView *sv = new QScrollView( this );
+   sv->setHScrollBarMode( QScrollView::AlwaysOff );
+   sv->setResizePolicy( QScrollView::AutoOneFit );
+   QVBox *pbox = new QVBox( sv->viewport());
+   pbox->setSpacing( KDialog::spacingHint() );
+   sv->setFrameStyle( QFrame::NoFrame );
+
+   QHBox *hb = new QHBox(pbox);
+
+   /* Mode setting */
+   so = sane_device->getGuiElement( SANE_NAME_SCAN_MODE, hb,
+				    SANE_TITLE_SCAN_MODE,
+				    SANE_DESC_SCAN_MODE );
+   if ( so )
+   {
+      /* Pretty-Pixmap */
+
+      KScanCombo *cb = (KScanCombo*) so->widget();
+      Q_CHECK_PTR(cb);
+            // the following strings are not translatable since the sane library does not translate them.
+            // so, if we want icons, we have to keep them non-translated for now.
+      cb->slSetIcon( pixLineArt, "Line art" );
+      cb->slSetIcon( pixLineArt, "Lineart" );
+      cb->slSetIcon( pixLineArt, "Binary" );
+      cb->slSetIcon( pixGray, "Gray" );
+      cb->slSetIcon( pixGray, "Gray" );
+      cb->slSetIcon( pixColor, "Color" );
+      cb->slSetIcon( pixHalftone, "Halftone" );
+
+      // hb->setMargin( KDialog::marginHint() );
+      // hb->setSpacing( KDialog::spacingHint());
+      hb->setMargin( 0 ); /// KDialog::marginHint() );
+      hb->setSpacing( KDialog::spacingHint());
+
+      hb->setStretchFactor( cb, 5 );
+
+      initialise( so );
+      connect( so, SIGNAL(guiChange(KScanOption*)),
+	       this, SLOT(slReloadAllGui( KScanOption* )));
+   }
+
+   /* Add a button for Source-Selection */
+   if( sane_device->optionExists( SANE_NAME_SCAN_SOURCE ))
+   {
+      KScanOption source( SANE_NAME_SCAN_SOURCE );
+      QStrList l = source.getList();
+
+      QWidget *spacer = new QWidget(hb);
+      hb->setStretchFactor( spacer, 1 );
+      kdDebug(29000) << "Source list size: " << l.count() << endl;
+
+      if( l.count() > 1 )
+      {
+	 pb_source_sel = new QPushButton( i18n("Source..."), hb );
+	 connect( pb_source_sel, SIGNAL(clicked()), this, SLOT(slSourceSelect()));
+	 initialise( &source );
+	 hb->setStretchFactor( pb_source_sel, 3 );
+
+#if 0 /* Testing !! TODO: remove */
+      if( ! source.active() ) {
+	 pb_source_sel->setEnabled( false );
+      }
+#endif
+      }
+      else
+      {
+	 kdDebug(29000) << "only one scan-source, do not show button." << endl;
+      }
+   }
+
+   /* Halftoning */
+   if( sane_device->optionExists( SANE_NAME_HALFTONE ) )
+   {
+      so = sane_device->getGuiElement( SANE_NAME_HALFTONE, pbox,
+				       SANE_TITLE_HALFTONE,
+				       SANE_DESC_HALFTONE );
+      if( so )
+      {
+	 initialise(so);
+	 connect( so,   SIGNAL(guiChange(KScanOption*)),
+		  this, SLOT(slReloadAllGui( KScanOption* )));
+      }
+   }
+
+   if( sane_device->optionExists( SANE_NAME_HALFTONE_DIMENSION) )
+   {
+      kdDebug(29000) << "Halftone-Dimen exists" << endl;
+      so = sane_device->getGuiElement( SANE_NAME_HALFTONE_DIMENSION, pbox,
+				       SANE_TITLE_HALFTONE_DIMENSION,
+				       SANE_DESC_HALFTONE_DIMENSION );
+      if( so )
+      {
+	 initialise(so);
+	 connect( so,   SIGNAL(guiChange(KScanOption*)),
+		  this, SLOT(slReloadAllGui( KScanOption* )));
+      }
+   }
+
+   if( sane_device->optionExists( SANE_NAME_HALFTONE_PATTERN) )
+   {
+      kdDebug(29000) << "Halftone-Pattern exists" << endl;
+      so = sane_device->getGuiElement( SANE_NAME_HALFTONE_PATTERN, pbox,
+				       SANE_TITLE_HALFTONE_PATTERN,
+				       SANE_DESC_HALFTONE_PATTERN );
+      if( so )
+      {
+	 initialise(so);
+	 connect( so,   SIGNAL(guiChange(KScanOption*)),
+		  this, SLOT(slReloadAllGui( KScanOption* )));
+      }
+   }
+
+
+   /* Resolution Setting -> X-Resolution Setting */
+   so = sane_device->getGuiElement( SANE_NAME_SCAN_X_RESOLUTION, pbox /* this */,
+				    i18n("Resolution"),
+				    SANE_DESC_SCAN_X_RESOLUTION );
+
+   if ( so )
+   {
+      initialise( so );
+      int x_y_res;
+      so->get( &x_y_res );
+      so->slRedrawWidget( so );
+
+      /* connect to slot that passes the resolution to the previewer */
+      connect( so, SIGNAL(guiChange(KScanOption*)),
+	       this, SLOT( slNewXResolution(KScanOption*)));
+
+      connect( so, SIGNAL(guiChange(KScanOption*)),
+	       this, SLOT(slReloadAllGui( KScanOption* )));
+
+      xy_resolution_bind =
+	 sane_device->getGuiElement(SANE_NAME_RESOLUTION_BIND, pbox,
+				    SANE_TITLE_RESOLUTION_BIND,
+				    SANE_DESC_RESOLUTION_BIND );
+      if( xy_resolution_bind  )
+      {
+	 initialise( xy_resolution_bind );
+	 xy_resolution_bind->slRedrawWidget( xy_resolution_bind );
+	 /* Connect to Gui-change-Slot */
+	 connect( xy_resolution_bind, SIGNAL(guiChange(KScanOption*)),
+		  this, SLOT(slReloadAllGui( KScanOption* )));
+      }
+
+      /* Resolution Setting -> Y-Resolution Setting */
+      so = sane_device->getGuiElement( SANE_NAME_SCAN_Y_RESOLUTION, pbox,
+				       SANE_TITLE_SCAN_Y_RESOLUTION,
+				       SANE_DESC_SCAN_Y_RESOLUTION );
+      int y_res = x_y_res;
+      if ( so )
+      {
+	 initialise( so );
+	 if( so->active() )
+	    so->get( &y_res );
+	 so->slRedrawWidget( so );
+      }
+
+      emit( scanResolutionChanged( x_y_res, y_res ));
+   }
+   else
+   {
+      /* If the SCAN_X_RES does not exists, perhaps just SCAN_RES does */
+      so = sane_device->getGuiElement( SANE_NAME_SCAN_RESOLUTION, pbox,
+				       SANE_TITLE_SCAN_Y_RESOLUTION,
+				       SANE_DESC_SCAN_X_RESOLUTION );
+      if( so )
+      {
+	 initialise( so );
+      }
+      else
+      {
+	 kdDebug(29000) << "SERIOUS: No Resolution setting possible !" << endl;
+      }
+   }
+
+   /* Insert another beautification line */
+   (void) new KSeparator( KSeparator::HLine, pbox );
+
+   /* Speed-Setting - show only if active */
+   if( sane_device->optionExists( SANE_NAME_SCAN_SPEED ))
+   {
+      KScanOption kso_speed( SANE_NAME_SCAN_SPEED );
+      if( kso_speed.valid() && kso_speed.softwareSetable() && kso_speed.active())
+      {
+	 so = sane_device->getGuiElement( SANE_NAME_SCAN_SPEED, pbox,
+					  SANE_TITLE_SCAN_SPEED,
+					  SANE_DESC_SCAN_SPEED );
+	 initialise( so );
+      }
+   }
+
+   /* Threshold-Setting */
+   so = sane_device->getGuiElement( SANE_NAME_THRESHOLD, pbox,
+				    SANE_TITLE_THRESHOLD,
+				    SANE_DESC_THRESHOLD);
+   if( so )
+   {
+      initialise( so );
+   }
+
+   /* Brightness-Setting */
+   so = sane_device->getGuiElement( SANE_NAME_BRIGHTNESS, pbox,
+				    SANE_TITLE_BRIGHTNESS,
+				    SANE_DESC_BRIGHTNESS);
+   if( so ) initialise( so );
+
+   /* Contrast-Setting */
+   so = sane_device->getGuiElement( SANE_NAME_CONTRAST, pbox,
+				    SANE_TITLE_CONTRAST,
+				    SANE_DESC_CONTRAST );
+   if( so ) initialise( so );
+   /* Custom Gamma */
+
+   /* Sharpness */
+   so = sane_device->getGuiElement( "sharpness", pbox );
+   if( so ) initialise( so );
+
+
+   /* The gamma table can be used - add  a button for editing */
+   QHBox *hb1 = new QHBox(pbox);
+
+   if( sane_device->optionExists( SANE_NAME_CUSTOM_GAMMA ) )
+   {
+      so = sane_device->getGuiElement( SANE_NAME_CUSTOM_GAMMA, hb1,
+				       SANE_TITLE_CUSTOM_GAMMA,
+				       SANE_DESC_CUSTOM_GAMMA );
+      initialise( so );
+      connect( so,   SIGNAL(guiChange(KScanOption*)),
+	       this, SLOT(slReloadAllGui( KScanOption* )));
+   }
+   else
+   {
+      (void) new QLabel( i18n("Custom Gamma Table"), hb1 );
+   }
+
+   /* Connect a signal to refresh activity of the gamma tables */
+   (void) new QWidget( hb1 ); /* dummy widget to eat space */
+
+   pb_edit_gtable = new QPushButton( i18n("Edit..."), hb1 );
+   Q_CHECK_PTR(pb_edit_gtable);
+
+   connect( pb_edit_gtable, SIGNAL( clicked () ),
+	    this, SLOT( slEditCustGamma () ) );
+   setEditCustomGammaTableState();
+
+   /* This connection cares for enabling/disabling the edit-Button */
+   if(so )
+	   connect( so,   SIGNAL(guiChange(KScanOption*)),
+		    this, SLOT(slOptionNotify(KScanOption*)));
+
+   /* my Epson Perfection backends offer a list of user defined gamma values */
+
+   /* Insert another beautification line */
+   if( sane_device->optionExists( SANE_NAME_GRAY_PREVIEW ) ||
+       sane_device->optionExists( SANE_NAME_NEGATIVE ) )
+   {
+      (void) new KSeparator( KSeparator::HLine, pbox );
+   }
+
+   so = sane_device->getGuiElement( SANE_NAME_NEGATIVE, pbox,
+				    SANE_TITLE_NEGATIVE,
+				    SANE_DESC_NEGATIVE );
+   initialise( so );
+
+   /* PREVIEW-Switch */
+   kdDebug(29000) << "Try to get Gray-Preview" << endl;
+   if( sane_device->optionExists( SANE_NAME_GRAY_PREVIEW ))
+   {
+     so = sane_device->getGuiElement( SANE_NAME_GRAY_PREVIEW, pbox,
+				      SANE_TITLE_GRAY_PREVIEW,
+				      SANE_DESC_GRAY_PREVIEW );
+     initialise( so );
+     cb_gray_preview = (QCheckBox*) so->widget();
+     QToolTip::add( cb_gray_preview, i18n("Acquire a gray preview even in color mode (faster)") );
+   }
+
+   QWidget *spacer = new QWidget( pbox );
+   spacer->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Expanding);
+
+   pbox->setMinimumWidth( pbox->sizeHint().width() );
+   sv->setMinimumWidth( pbox->minimumWidth() );
+   sv->addChild( pbox );
+
+   return( sv );
+}
+
+
+void ScanParams::createNoScannerMsg( void )
+{
+   /* Mode setting */
+   QString cap;
+   cap = i18n( "<B>Problem: No Scanner was found</B><P>Your system does not provide a SANE <I>(Scanner Access Now Easy)</I> installation, which is required by the KDE scan support.<P>Please install and configure SANE correctly on your system.<P>Visit the SANE homepage under http://www.sane-project.org to find out more about SANE installation and configuration. " );
+
+   (void) new QLabel( cap, this );
+
+}
+
+/* This slot will be called if something changes with the option given as a param.
+ * This is useful if the parameter - Gui has widgets in his own space, which depend
+ * on widget controlled by the KScanOption.
+ */
+void ScanParams::slOptionNotify( KScanOption *kso )
+{
+   if( !kso || !kso->valid()) return;
+   setEditCustomGammaTableState	();
+}
+
+
+void ScanParams::slSourceSelect( void )
+{
+   kdDebug(29000) << "Open Window for source selection !" << endl;
+   KScanOption so( SANE_NAME_SCAN_SOURCE );
+   ADF_BEHAVE adf = ADF_OFF;
+
+   const QCString& currSource = so.get();
+   kdDebug(29000) << "Current Source is <" << currSource << ">" << endl;
+   QStrList sources;
+
+   if( so.valid() )
+   {
+      sources = so.getList();
+#undef CHEAT_FOR_DEBUGGING
+#ifdef CHEAT_FOR_DEBUGGING
+      if( sources.find( "Automatic Document Feeder" ) == -1)
+          sources.append( "Automatic Document Feeder" );
+#endif
+
+      ScanSourceDialog d( this, sources, adf );
+      d.slSetSource( currSource );
+
+      if( d.exec() == QDialog::Accepted  )
+      {
+	 QString sel_source = d.getText();
+	 adf = d.getAdfBehave();
+
+	 /* set the selected Document source, the behavior is stored in a membervar */
+	 so.set( QCString(sel_source.latin1()) ); // FIX in ScanSourceDialog, then here
+	 sane_device->apply( &so );
+
+	 kdDebug(29000) << "Dialog finished OK: " << sel_source << ", " << adf << endl;
+
+      }
+   }
+}
+
+/** slFileSelect
+ *  this slot allows to select a file or directory for virtuell Scanning.
+ *  If a dir is selected, the virt. Scanner crawls for all readable
+ *  images, if a single file is selected, the virt Scanner just reads
+ *  one file.
+ *  If SANE Debug Mode is selected, only pnm can be loaded.
+ *  on Qt mode, all available Qt-Formats are ok.
+ */
+void ScanParams::slFileSelect( void )
+{
+   kdDebug(29000) << "File Selector" << endl;
+   QString filter;
+   QCString prefix = "\n*.";
+
+   if( scan_mode == ID_QT_IMGIO )
+   {
+      QStrList filterList = QImage::inputFormats();
+      filter = i18n( "*|All Files (*)");
+      for( QCString fi_item = filterList.first(); !fi_item.isEmpty();
+	   fi_item = filterList.next() )
+      {
+
+	 filter.append( QString::fromLatin1( prefix + fi_item.lower()) );
+      }
+   }
+   else
+   {
+      filter.append( i18n( "*.pnm|PNM Image Files (*.pnm)") );
+   }
+
+
+
+   KFileDialog fd(last_virt_scan_path.path(), filter, this, "FileDialog",true);
+   fd.setCaption( i18n("Select Input File") );
+   /* Read the filename and remind it */
+   QString fileName;
+   if ( fd.exec() == QDialog::Accepted ) {
+      fileName = fd.selectedFile();
+      QFileInfo ppath( fileName );
+      last_virt_scan_path = QDir(ppath.dirPath(true));
+   } else {
+      return;
+   }
+
+   if ( !fileName.isNull() && virt_filename ) { // got a file name
+      kdDebug(29000) << "Got fileName: " << fileName << endl;
+      // write Value to SANEOption, it updates itself.
+      virt_filename->set( QFile::encodeName( fileName ) );
+   }
+}
+
+/** Slot which is called if the user switches in the gui between
+ *  the SANE-Debug-Mode and the qt image reading
+ */
+void ScanParams::slVirtScanModeSelect( int id )
+{
+   if( id == 0 ) {
+      scan_mode = ID_SANE_DEBUG; /* , ID_QT_IMGIO */
+      sane_device->guiSetEnabled( "three-pass", true );
+      sane_device->guiSetEnabled( "grayify", true );
+      sane_device->guiSetEnabled( SANE_NAME_CONTRAST, true );
+      sane_device->guiSetEnabled( SANE_NAME_BRIGHTNESS, true );
+
+      /* Check if the entered filename to delete */
+      if( virt_filename ) {
+	 QString vf = virt_filename->get();
+	 kdDebug(29000) << "Found File in Filename-Option: " << vf << endl;
+
+	 QFileInfo fi( vf );
+	 if( fi.extension() != QString::fromLatin1("pnm") )
+	    virt_filename->set(QCString(""));
+      }
+   } else {
+      scan_mode = ID_QT_IMGIO;
+      sane_device->guiSetEnabled( "three-pass", false );
+      sane_device->guiSetEnabled( "grayify", false );
+      sane_device->guiSetEnabled( SANE_NAME_CONTRAST, false );
+      sane_device->guiSetEnabled( SANE_NAME_BRIGHTNESS, false );
+   }
+}
+
+
+/**
+ *   virtualScannerParams builds the GUI for the virtual scanner,
+ *   which allows the user to read images from the harddisk.
+ */
+void ScanParams::virtualScannerParams( void )
+{
+#if 0
+   KScanOption *so = 0;
+   QWidget     *w = 0;
+
+   /* Selection if virt. Scanner or SANE Debug */
+   bg_virt_scan_mode = new QButtonGroup( 2, Qt::Horizontal,
+					 this, "GroupBoxVirtScanner" );
+   connect( bg_virt_scan_mode, SIGNAL(clicked(int)),
+	    this, SLOT( slVirtScanModeSelect(int)));
+
+   QRadioButton *rb1 = new QRadioButton( i18n("SANE debug (pnm only)"),
+					 bg_virt_scan_mode, "VirtScanSANEDebug" );
+
+
+
+   QRadioButton *rb2 = new QRadioButton( i18n("virt. Scan (all Qt modes)"),
+					 bg_virt_scan_mode, "VirtScanQtModes" );
+
+   rb1->setChecked( true );
+   rb2->setChecked( false );
+
+   if( scan_mode == ID_QT_IMGIO )
+   {
+      rb2->setChecked( true );
+      rb1->setChecked( false );
+   }
+
+   top->addWidget( bg_virt_scan_mode, 1 );
+
+   /* GUI-Element Filename */
+   virt_filename = sane_device->getGuiElement( SANE_NAME_FILE, this,
+					       SANE_TITLE_FILE,
+					       SANE_DESC_FILE );
+   if( virt_filename )
+   {
+      QHBoxLayout *hb = new QHBoxLayout();
+      top->addLayout( hb );
+      w = virt_filename->widget();
+      w->setMinimumHeight( (w->sizeHint()).height());
+      connect( w, SIGNAL(returnPressed()), this,
+	       SLOT( slCheckGlob()));
+
+      hb->addWidget( w, 12 );
+
+      QPushButton *pb_file_sel = new QPushButton( this );
+      pb_file_sel->setPixmap(miniFloppyPixmap);
+      //hb->addStretch( 1 );
+      hb->addWidget( pb_file_sel, 1 );
+      connect( pb_file_sel, SIGNAL(clicked()), this, SLOT(slFileSelect()));
+
+   }
+
+   /* GUI-Element Brightness */
+   so = sane_device->getGuiElement( SANE_NAME_BRIGHTNESS, this,
+				    SANE_TITLE_BRIGHTNESS,
+				    SANE_DESC_BRIGHTNESS );
+   if( so )
+   {
+      top->addWidget( so->widget(), 1 );
+      so->set( 0 );
+      sane_device->apply( so );
+   }
+
+   /* GUI-Element Contrast */
+   so = sane_device->getGuiElement( SANE_NAME_CONTRAST, this,
+				    SANE_TITLE_CONTRAST,
+				    SANE_DESC_CONTRAST );
+   if ( so )
+   {
+      top->addWidget( so->widget(), 1 );
+      so->set( 0 );
+      sane_device->apply( so );
+   }
+
+
+   /* GUI-Element grayify on startup */
+   so = sane_device->getGuiElement( "grayify", this, i18n("convert the image to gray on loading"), 0 );
+   if ( so )
+   {
+      top->addWidget( so->widget(), 1 );
+      so->set( true );
+      sane_device->apply( so );
+   }
+
+   /* GUI-Element three pass simulation */
+   so = sane_device->getGuiElement( "three-pass", this, i18n("Simulate three-pass acquiring"), 0 );
+   if ( so )
+   {
+      top->addWidget( so->widget(), 1 );
+      so->set( false );
+      sane_device->apply( so );
+   }
+#endif
+}
+
+/* This slot is called if the user changes the
+void ScanParams::slCheckGlob( void )
+{
+
+}
+*/
+/* Slot called to start scanning */
+void ScanParams::slStartScan( void )
+{
+   KScanStat stat = KSCAN_OK;
+
+   kdDebug(29000) << "Called start-scan-Slot!" << endl;
+   QString q;
+
+   if( scan_mode == ID_SANE_DEBUG || scan_mode == ID_QT_IMGIO )
+   {
+      if( virt_filename )
+	 q = virt_filename->get();
+      if( q.isEmpty() )
+      {
+	 QMessageBox::information( this, i18n("KSANE"),
+				   i18n("The filename for virtual scanning is not set.\n"
+					"Please set the filename first.") );
+	 stat = KSCAN_ERR_PARAM;
+      }
+   }
+   /* if it is a virt Scanner in SANE Debug or real scanning is on */
+   if( stat == KSCAN_OK )
+   {
+      if( (scan_mode == ID_SANE_DEBUG || scan_mode == ID_SCAN) )
+      {
+	 if( adf == ADF_OFF )
+	 {
+	    /* Progress-Dialog */
+	    progressDialog->setProgress(0);
+	    if( progressDialog->isHidden())
+	       progressDialog->show();
+	    kdDebug(29000) << "* slStartScan: Start to acquire an image!" << endl;
+	    stat = sane_device->acquire( );
+
+	 } else {
+	    kdDebug(29000) << "Not yet implemented :-/" << endl;
+
+	    // stat = performADFScan();
+	 }
+      } else {
+	 kdDebug(29000) << "Reading 	dir by Qt-internal imagereading file " << q << endl;
+	 sane_device->acquire( q );
+      }
+   }
+}
+
+/* Slot called to start the Custom Gamma Table Edit dialog */
+
+void ScanParams::slEditCustGamma( void )
+{
+    kdDebug(29000) << "Called EditCustGamma ;)" << endl;
+    KGammaTable old_gt;
+
+
+    /* Since gammatable options are not set in the default gui, it must be
+     * checked if it is the first edit. If it is, take from loaded default
+     * set if available there */
+    if( m_firstGTEdit && startupOptset )
+    {
+       m_firstGTEdit = false;
+       KScanOption *gt = startupOptset->get(SANE_NAME_GAMMA_VECTOR);
+       if( !gt )
+       {
+	  /* If it  not gray, it should be one color. */
+	  gt = startupOptset->get( SANE_NAME_GAMMA_VECTOR_R );
+       }
+
+       if( gt )
+	  gt->get( &old_gt );
+    }
+    else
+    {
+       /* it is not the first edit, use older values */
+       if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR ) )
+       {
+	  KScanOption grayGt( SANE_NAME_GAMMA_VECTOR );
+	  /* This will be fine for all color gt's. */
+	  grayGt.get( &old_gt );
+	  kdDebug(29000) << "Gray Gamma Table is active " << endl;
+       }
+       else
+       {
+	  /* Gray is not active, but at the current implementation without
+	   * red/green/blue gammatables, but one for all, all gammatables
+	   * are equally. So taking the red one should be fine. TODO
+	   */
+	  if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_R ))
+	  {
+	     KScanOption redGt( SANE_NAME_GAMMA_VECTOR_R );
+	     redGt.get( &old_gt );
+	     kdDebug(29000) << "Getting old gamma table from Red channel" << endl;
+	  }
+	  else
+	  {
+	     /* uh ! No current gammatable could be retrieved. Use the 100/0/0 gt
+	      * created by KGammaTable's constructor. Nothing to do for that.
+	      */
+	     kdDebug(29000) << "WRN: Could not retrieve a gamma table" << endl;
+	  }
+       }
+    }
+
+    kdDebug(29000) << "Old gamma table: " << old_gt.getGamma() << ", " << old_gt.getBrightness() << ", " << old_gt.getContrast() << endl;
+
+    GammaDialog gdiag( this );
+    connect( &gdiag, SIGNAL( gammaToApply(KGammaTable*) ),
+	     this,     SLOT( slApplyGamma(KGammaTable*) ) );
+
+    gdiag.setGt( old_gt );
+
+    if( gdiag.exec() == QDialog::Accepted  )
+    {
+       slApplyGamma( gdiag.getGt() );
+       kdDebug(29000) << "Fine, applied new Gamma Table !" << endl;
+    }
+    else
+    {
+       /* reset to old values */
+       slApplyGamma( &old_gt );
+       kdDebug(29000) << "Cancel, reverted to old Gamma Table !" << endl;
+    }
+
+}
+
+
+void ScanParams::slApplyGamma( KGammaTable* gt )
+{
+   if( ! gt ) return;
+
+   kdDebug(29000) << "Applying gamma table: " << gt->getGamma() <<
+      ", " << gt->getBrightness() << ", " << gt->getContrast() << endl;
+
+
+   if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR ) )
+   {
+      KScanOption grayGt( SANE_NAME_GAMMA_VECTOR );
+
+      /* Now find out, which gamma-Tables are active. */
+      if( grayGt.active() )
+      {
+	 grayGt.set( gt );
+	 sane_device->apply( &grayGt, true );
+      }
+   }
+
+   if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_R )) {
+      KScanOption rGt( SANE_NAME_GAMMA_VECTOR_R );
+      if( rGt.active() )
+      {
+	 rGt.set( gt );
+	 sane_device->apply( &rGt, true );
+      }
+   }
+
+   if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_G )) {
+      KScanOption gGt( SANE_NAME_GAMMA_VECTOR_G );
+      if( gGt.active() )
+      {
+	 gGt.set( gt );
+	 sane_device->apply( &gGt, true );
+      }
+   }
+
+   if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_B )) {
+      KScanOption bGt( SANE_NAME_GAMMA_VECTOR_B );
+      if( bGt.active() )
+      {
+	 bGt.set( gt );
+	 sane_device->apply( &bGt, true );
+      }
+   }
+}
+
+/* Slot calls if a widget changes. Things to do:
+ * - Apply the option and reload all if the option affects all
+ */
+
+void ScanParams::slReloadAllGui( KScanOption* t)
+{
+    if( !t || ! sane_device ) return;
+    kdDebug(29000) << "This is slReloadAllGui for widget <" << t->getName() << ">" << endl;
+    /* Need to reload all _except_ the one which was actually changed */
+
+    sane_device->slReloadAllBut( t );
+
+    /* Custom Gamma <- What happens if that does not exist for some scanner ? TODO */
+    setEditCustomGammaTableState();
+}
+
+/*
+ * enable editing of the gamma tables if one of the gamma tables
+ * exists and is active at the moment
+ */
+void ScanParams::setEditCustomGammaTableState()
+{
+   if( !(sane_device && pb_edit_gtable) )
+      return;
+
+   bool butState = false;
+   kdDebug(29000) << "Checking state of edit custom gamma button !" << endl;
+
+   if( sane_device->optionExists( SANE_NAME_CUSTOM_GAMMA ) )
+   {
+      KScanOption kso( SANE_NAME_CUSTOM_GAMMA );
+      butState = kso.active();
+      // kdDebug(29000) << "CustomGamma is active: " << butState << endl;
+   }
+
+   if( !butState && sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_R ) )
+   {
+      KScanOption kso( SANE_NAME_GAMMA_VECTOR_R );
+      butState = kso.active();
+      // kdDebug(29000) << "CustomGamma Red is active: " << butState << endl;
+   }
+
+   if( !butState && sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_G ) )
+   {
+      KScanOption kso( SANE_NAME_GAMMA_VECTOR_G );
+      butState = kso.active();
+      // kdDebug(29000) << "CustomGamma Green is active: " << butState << endl;
+   }
+
+   if( !butState && sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_B ) )
+   {
+      KScanOption kso( SANE_NAME_GAMMA_VECTOR_B );
+      butState = kso.active();
+      // kdDebug(29000) << "CustomGamma blue is active: " << butState << endl;
+   }
+   pb_edit_gtable->setEnabled( butState );
+}
+
+
+/* Slot called to start acquirering a preview */
+void ScanParams::slAcquirePreview( void )
+{
+    kdDebug(29000) << "Called acquirePreview-Slot!" << endl;
+    bool gray_preview = false;
+    if( cb_gray_preview )
+        gray_preview  = cb_gray_preview->isChecked();
+
+
+    /* Maximal preview size */
+    slMaximalScanSize();
+
+    if( ! sane_device ) kdDebug(29000) << "Aeetsch: sane_device is 0 !" << endl;
+    Q_CHECK_PTR( sane_device );
+    KScanStat stat = sane_device->acquirePreview( gray_preview );
+
+    if( stat != KSCAN_OK )
+    {
+	kdDebug(29000) << "Error in scanning !" << endl;
+    }
+}
+
+/* Custom Scan size setting.
+ * The custom scan size is given in the QRect parameter. It must contain values
+ * from 0..1000 which are interpreted as tenth of percent of the overall dimension.
+ */
+void ScanParams::slCustomScanSize( QRect sel)
+{
+   kdDebug(29000) << "Custom-Size: " << sel.x() << ", " << sel.y() << " - " << sel.width() << "x" << sel.height() << endl;
+
+   KScanOption tl_x( SANE_NAME_SCAN_TL_X );
+   KScanOption tl_y( SANE_NAME_SCAN_TL_Y );
+   KScanOption br_x( SANE_NAME_SCAN_BR_X );
+   KScanOption br_y( SANE_NAME_SCAN_BR_Y );
+
+   double min1=0.0, max1=0.0, min2=0.0, max2=0.0, dummy1=0.0, dummy2=0.0;
+   tl_x.getRange( &min1, &max1, &dummy1 );
+   br_x.getRange( &min2, &max2, &dummy2 );
+
+   /* overall width */
+   double range = max2-min1;
+   double w = min1 + double(range * (double(sel.x()) / 1000.0) );
+   tl_x.set( w );
+   w = min1 + double(range * double(sel.x() + sel.width())/1000.0);
+   br_x.set( w );
+
+
+   kdDebug(29000) << "set tl_x: " << min1 + double(range * (double(sel.x()) / 1000.0) ) << endl;
+   kdDebug(29000) << "set br_x: " << min1 + double(range * (double(sel.x() + sel.width())/1000.0)) << endl;
+
+   /** Y-Value setting */
+   tl_y.getRange( &min1, &max1, &dummy1 );
+   br_y.getRange(&min2, &max2, &dummy2 );
+
+   /* overall width */
+   range = max2-min1;
+   w = min1 + range * double(sel.y()) / 1000.0;
+   tl_y.set( w );
+   w = min1 + range * double(sel.y() + sel.height())/1000.0;
+   br_y.set( w );
+
+
+   kdDebug(29000) << "set tl_y: " << min1 + double(range * (double(sel.y()) / 1000.0) ) << endl;
+   kdDebug(29000) << "set br_y: " << min1 + double(range * (double(sel.y() + sel.height())/1000.0)) << endl;
+
+
+   sane_device->apply( &tl_x );
+   sane_device->apply( &tl_y );
+   sane_device->apply( &br_x );
+   sane_device->apply( &br_y );
+}
+
+
+/**
+ * sets the scan area to the default, which is the whole area.
+ */
+void ScanParams::slMaximalScanSize( void )
+{
+   kdDebug(29000) << "Setting to default" << endl;
+   slCustomScanSize(QRect( 0,0,1000,1000));
+}
+
+
+void ScanParams::slNewXResolution(KScanOption *opt)
+{
+   if(! opt ) return;
+
+   kdDebug(29000) << "Got new X-Resolution !" << endl;
+
+   int x_res = 0;
+   opt->get( &x_res );
+
+   int y_res = x_res;
+
+   if( xy_resolution_bind && xy_resolution_bind->active() )
+   {
+      /* That means, that x and y may be different */
+      KScanOption opt_y( SANE_NAME_SCAN_Y_RESOLUTION );
+      if( opt_y.valid () )
+      {
+	 opt_y.get( &y_res );
+      }
+   }
+
+   emit( scanResolutionChanged( x_res, y_res ) );
+}
+
+void ScanParams::slNewYResolution(KScanOption *opt)
+{
+   if( ! opt ) return;
+
+   int y_res = 0;
+   opt->get( &y_res );
+
+   int x_res = y_res;
+
+   if( xy_resolution_bind && xy_resolution_bind->active())
+   {
+      /* That means, that x and y may be different */
+      KScanOption opt_x( SANE_NAME_SCAN_X_RESOLUTION );
+      if( opt_x.valid () )
+      {
+	 opt_x.get( &x_res );
+      }
+   }
+
+   emit( scanResolutionChanged( x_res, y_res ) );
+
+}
+
+
+KScanStat ScanParams::performADFScan( void )
+{
+   KScanStat stat = KSCAN_OK;
+   bool 		 scan_on = true;
+
+   MassScanDialog *msd = new MassScanDialog( this );
+   msd->show();
+
+   /* The scan source should be set to ADF by the SourceSelect-Dialog */
+
+   while( scan_on )
+   {
+      scan_on = false;
+   }
+   return( stat );
+}
+#include "scanparams.moc"