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tdegraphics/kooka/kookapref.cpp

548 lines
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/***************************************************************************
kookapref.cpp - Kookas preferences dialog
-------------------
begin : Wed Jan 5 2000
copyright : (C) 2000 by Klaas Freitag
email :
***************************************************************************/
/***************************************************************************
* *
* 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 "kookapref.h"
#include "img_saver.h"
#include <klocale.h>
#include <kiconloader.h>
#include <tdeconfig.h>
#include <kdebug.h>
#include <knuminput.h>
#include <kcolorbutton.h>
#include <kstandarddirs.h>
#include <tqlayout.h>
#include <tqtooltip.h>
#include <tqvgroupbox.h>
#include <tqgrid.h>
#include <tqcheckbox.h>
#include <tqstringlist.h>
#include <devselector.h>
#include "config.h"
#include "thumbview.h"
#include "imageselectline.h"
#include "kscanslider.h"
#include "ksaneocr.h"
#include <kmessagebox.h>
#include <tqbuttongroup.h>
#include <tqradiobutton.h>
#include <kurlrequester.h>
KookaPreferences::KookaPreferences()
: KDialogBase(IconList, i18n("Preferences"),
Help|Default|Ok|Apply|Cancel, Ok )
{
// this is the base class for your preferences dialog. it is now
// a Treelist dialog.. but there are a number of other
// possibilities (including Tab, Swallow, and just Plain)
konf = TDEGlobal::config ();
setupStartupPage();
setupSaveFormatPage();
setupThumbnailPage();
setupOCRPage();
}
void KookaPreferences::setupOCRPage()
{
konf->setGroup( CFG_GROUP_OCR_DIA );
TQFrame *page = addPage( i18n("OCR"), i18n("Optical Character Recognition" ),
BarIcon("ocrImage", KIcon::SizeMedium ) );
TQVBoxLayout *top = new TQVBoxLayout( page, 0, spacingHint() );
bool haveGocr = false;
bool haveOcrad = false;
bool haveKadmos = false;
/*
* Switch ocr engines
*/
TQButtonGroup *engGroup = new TQButtonGroup( 1, Qt::Horizontal, i18n("OCR Engine to Use"), page );
m_gocrBut = new TQRadioButton( i18n("GOCR engine") , engGroup );
m_kadmosBut = new TQRadioButton( i18n("KADMOS engine"), engGroup );
m_ocradBut = new TQRadioButton( i18n("OCRAD engine"), engGroup );
m_kadmosBut->setChecked(false);
m_gocrBut->setChecked(false);
m_ocradBut->setChecked(false);
top->addWidget( engGroup );
/*
* GOCR Option Box
*/
TQVGroupBox *gp = new TQVGroupBox( i18n("GOCR OCR"), page );
m_urlReqGocr = binaryCheckBox( gp, "gocr" );
connect( m_urlReqGocr, TQT_SIGNAL( textChanged( const TQString& )),
this, TQT_SLOT( slCheckOnGOCR( const TQString& )));
TQString cmdGocr = tryFindBinary( "gocr", CFG_GOCR_BINARY );
kdDebug(28000) << "Found gocr command: " << cmdGocr << endl;
m_gocrBut->setEnabled(false);
if( !cmdGocr.isEmpty() )
{
/* Found the command */
m_urlReqGocr->setURL( cmdGocr );
m_gocrBut->setEnabled(true);
haveGocr = true;
}
top->addWidget( gp );
/*
* OCRAD Option Box
*/
gp = new TQVGroupBox( i18n("OCRAD OCR"), page );
m_urlReqOcrad = binaryCheckBox( gp, "ocrad" );
connect( m_urlReqOcrad, TQT_SIGNAL( textChanged( const TQString& )),
this, TQT_SLOT( slCheckOnOCRAD( const TQString& )));
TQString cmdOcrad = tryFindBinary( "ocrad", CFG_OCRAD_BINARY );
kdDebug(28000) << "Found ocrad command: " << cmdOcrad << endl;
m_ocradBut->setEnabled(false);
if( !cmdOcrad.isEmpty() )
{
/* Found the command */
m_urlReqOcrad->setURL( cmdOcrad );
m_ocradBut->setEnabled(true);
haveOcrad = true;
}
top->addWidget( gp );
/*
* Global Kadmos Options
*/
TQVGroupBox *kgp = new TQVGroupBox( i18n("KADMOS OCR"), page );
#ifdef HAVE_KADMOS
(void) new TQLabel( i18n("The KADMOS OCR engine is available"), kgp);
m_kadmosBut->setChecked(true);
m_kadmosBut->setEnabled(true);
haveKadmos = true;
#else
(void) new TQLabel( i18n("The KADMOS OCR engine is not available in this version of Kooka"), kgp );
m_kadmosBut->setEnabled(false);
#endif
top->addWidget( kgp );
TQWidget *spaceEater = new TQWidget( page );
spaceEater->setSizePolicy( TQSizePolicy( TQSizePolicy::Ignored, TQSizePolicy::Ignored ));
top->addWidget( spaceEater );
/*
* Now read the config value CFG_OCR_ENGINE and set the radios to the value if available
*/
TQString useEngine = konf->readEntry( CFG_OCR_ENGINE, "ocrad" );
if( useEngine != "notFound" )
{
if( useEngine == "gocr" && haveGocr )
{
m_gocrBut->setChecked(true);
m_prevOCREngine = "gocr";
}
else if( useEngine == "ocrad" && haveOcrad )
{
m_ocradBut->setChecked(true);
m_prevOCREngine = "ocrad";
}
else if( useEngine == "kadmos" && haveKadmos )
{
m_kadmosBut->setChecked(true);
m_prevOCREngine = "kadmos";
}
}
}
KURLRequester* KookaPreferences::binaryCheckBox( TQWidget *parent, const TQString& program )
{
TQHBox *hbox = new TQHBox( parent );
(void) new TQLabel( i18n("Select the %1 binary to use:").arg( program ), hbox );
KURLRequester* urlRequester = new KURLRequester( parent );
urlRequester->setMode( KFile::File | KFile::ExistingOnly | KFile::LocalOnly );
TQToolTip::add( urlRequester,
i18n( "Enter the path to %1, the optical-character-recognition "
"command line tool.").arg(program));
return urlRequester;
}
TQString KookaPreferences::tryFindGocr( void )
{
return( tryFindBinary( "gocr", CFG_GOCR_BINARY ) );
}
TQString KookaPreferences::tryFindBinary( const TQString& bin, const TQString& configKey )
{
/* First check the config files for an entry */
TDEConfig *cfg = TDEGlobal::config();
cfg->setGroup(CFG_GROUP_OCR_DIA);
TQString res = cfg->readPathEntry( configKey /* CFG_GOCR_BINARY */, "notFound" );
if( res != "notFound" )
{
TQFileInfo fi( res );
if( fi.exists() && fi.isExecutable() && !fi.isDir() && res.contains(bin) )
{
return res;
}
}
res = TQString();
TQStringList locations;
locations.append( "/usr/bin/" + bin );
locations.append( "/bin/" + bin );
locations.append( "/usr/X11R6/bin/"+bin );
locations.append( "/usr/local/bin/"+bin );
for ( TQStringList::Iterator it = locations.begin(); it != locations.end(); ++it )
{
TQString cmd = *it;
kdDebug(28000) << "checking command " << cmd << endl;
TQFileInfo fi( cmd );
if( fi.exists() && fi.isExecutable() && !fi.isDir())
{
res = cmd;
kdDebug(28000) << "found command " << res << endl;
break;
}
}
return( res );
}
void KookaPreferences::slCheckOnGOCR( const TQString& cmd )
{
if( checkOCRBinIntern( cmd, "gocr", false ))
{
// cmd exists and is executable
m_gocrBut->setEnabled( true );
}
else
{
m_gocrBut->setEnabled( false );
}
}
void KookaPreferences::slCheckOnOCRAD( const TQString& cmd )
{
if( checkOCRBinIntern( cmd, "ocrad", false ))
{
// cmd exists and is executable
m_ocradBut->setEnabled( true );
}
else
{
m_ocradBut->setEnabled( false );
}
}
#if 0
void KookaPreferences::checkOCRBinarySilent( const TQString& cmd )
{
// checkOCRBinIntern( cmd, this->sender(), false);
}
#endif
bool KookaPreferences::checkOCRBinIntern( const TQString& cmd, const TQString& tool, bool show_msg )
{
if( ! cmd.contains( tool )) return false;
bool ret = true;
TQFileInfo fi( cmd );
if( ! fi.exists() )
{
if( show_msg )
KMessageBox::sorry( this, i18n( "The path does not lead to a valid binary.\n"
"Please check your installation and/or install the program."),
i18n("OCR Software Not Found") );
ret = false;
}
else
{
/* File exists, check if not dir and executable */
if( fi.isDir() || (! fi.isExecutable()) )
{
if( show_msg )
KMessageBox::sorry( this, i18n( "The program exists, but is not executable.\n"
"Please check your installation and/or install the binary properly."),
i18n("OCR Software Not Executable") );
ret = false;
}
}
return ret;
}
void KookaPreferences::setupStartupPage()
{
/* startup options */
konf->setGroup( GROUP_STARTUP );
TQFrame *page = addPage( i18n("Startup"), i18n("Kooka Startup Preferences" ),
BarIcon("gear", KIcon::SizeMedium ) );
TQVBoxLayout *top = new TQVBoxLayout( page, 0, spacingHint() );
/* Description-Label */
top->addWidget( new TQLabel( i18n("Note that changing these options will affect Kooka's next start!"), page ));
/* Query for network scanner (Checkbox) */
cbNetQuery = new TQCheckBox( i18n("Query network for available scanners"),
page, "CB_NET_QUERY" );
TQToolTip::add( cbNetQuery,
i18n( "Check this if you want a network query for available scanners.\nNote that this does not mean a query over the entire network but only the stations configured for SANE!" ));
cbNetQuery->setChecked( ! (konf->readBoolEntry( STARTUP_ONLY_LOCAL, false )) );
/* Show scanner selection box on startup (Checkbox) */
cbShowScannerSelection = new TQCheckBox( i18n("Show the scanner selection box on next startup"),
page, "CB_SHOW_SELECTION" );
TQToolTip::add( cbShowScannerSelection,
i18n( "Check this if you once checked 'do not show the scanner selection on startup',\nbut you want to see it again." ));
cbShowScannerSelection->setChecked( !konf->readBoolEntry( STARTUP_SKIP_ASK, false ));
/* Read startup image on startup (Checkbox) */
cbReadStartupImage = new TQCheckBox( i18n("Load the last image into the viewer on startup"),
page, "CB_LOAD_ON_START" );
TQToolTip::add( cbReadStartupImage,
i18n( "Check this if you want Kooka to load the last selected image into the viewer on startup.\nIf your images are large, that might slow down Kooka's start." ));
cbReadStartupImage->setChecked( konf->readBoolEntry( STARTUP_READ_IMAGE, true));
/* -- */
top->addWidget( cbNetQuery );
top->addWidget( cbShowScannerSelection );
top->addWidget( cbReadStartupImage );
top->addStretch(10);
}
void KookaPreferences::setupSaveFormatPage( )
{
konf->setGroup( OP_FILE_GROUP );
TQFrame *page = addPage( i18n("Image Saving"), i18n("Configure Image Save Assistant" ),
BarIcon("filesave", KIcon::SizeMedium ) );
TQVBoxLayout *top = new TQVBoxLayout( page, 0, spacingHint() );
/* Skip the format asking if a format entry exists */
cbSkipFormatAsk = new TQCheckBox( i18n("Always display image save assistant"),
page, "CB_IMGASSIST_QUERY" );
cbSkipFormatAsk->setChecked( konf->readBoolEntry( OP_FILE_ASK_FORMAT, true ));
TQToolTip::add( cbSkipFormatAsk, i18n("Check this if you want to see the image save assistant even if there is a default format for the image type." ));
top->addWidget( cbSkipFormatAsk );
cbFilenameAsk = new TQCheckBox( i18n("Ask for filename when saving file"),
page, "CB_ASK_FILENAME" );
cbFilenameAsk->setChecked( konf->readBoolEntry( OP_ASK_FILENAME, false));
TQToolTip::add( cbFilenameAsk, i18n("Check this if you want to enter a filename when an image has been scanned." ));
top->addWidget( cbFilenameAsk );
top->addStretch(10);
}
void KookaPreferences::setupThumbnailPage()
{
konf->setGroup( THUMB_GROUP );
TQFrame *page = addPage( i18n("Thumbnail View"), i18n("Thumbnail Gallery View" ),
BarIcon("thumbnail", KIcon::SizeMedium ) );
TQVBoxLayout *top = new TQVBoxLayout( page, 0, spacingHint() );
top->addWidget( new TQLabel( i18n("Here you can configure the appearance of the thumbnail view of your scan picture gallery."),page ));
/* Backgroundimage */
TDEStandardDirs stdDir;
TQString bgImg = konf->readPathEntry( BG_WALLPAPER );
if( bgImg.isEmpty() )
bgImg = stdDir.findResource( "data", STD_TILE_IMG );
/* image file selector */
TQVGroupBox *hgb1 = new TQVGroupBox( i18n("Thumbview Background" ), page );
m_tileSelector = new ImageSelectLine( hgb1, i18n("Select background image:"));
kdDebug(28000) << "Setting tile url " << bgImg << endl;
m_tileSelector->setURL( KURL(bgImg) );
top->addWidget( hgb1 );
/* Add the Boxes to configure size, framestyle and background */
TQVGroupBox *hgb2 = new TQVGroupBox( i18n("Thumbnail Size" ), page );
TQVGroupBox *hgb3 = new TQVGroupBox( i18n("Thumbnail Frame" ), page );
/* Thumbnail size */
int w = konf->readNumEntry( PIXMAP_WIDTH, 100);
int h = konf->readNumEntry( PIXMAP_HEIGHT, 120 );
TQGrid *lGrid = new TQGrid( 2, hgb2 );
lGrid->setSpacing( 2 );
TQLabel *l1 = new TQLabel( i18n("Thumbnail maximum &width:"), lGrid );
m_thumbWidth = new KIntNumInput( w, lGrid );
m_thumbWidth->setMinValue(1);
l1->setBuddy( m_thumbWidth );
lGrid->setSpacing( 4 );
l1 = new TQLabel( i18n("Thumbnail maximum &height:"), lGrid );
m_thumbHeight = new KIntNumInput( m_thumbWidth, h, lGrid );
m_thumbHeight->setMinValue(1);
l1->setBuddy( m_thumbHeight );
/* Frame Stuff */
int frameWidth = konf->readNumEntry( THUMB_MARGIN, 3 );
TQColor col1 = konf->readColorEntry( MARGIN_COLOR1, &(colorGroup().base()));
TQColor col2 = konf->readColorEntry( MARGIN_COLOR2, &(colorGroup().foreground()));
TQGrid *fGrid = new TQGrid( 2, hgb3 );
fGrid->setSpacing( 2 );
l1 = new TQLabel(i18n("Thumbnail &frame width:"), fGrid );
m_frameWidth = new KIntNumInput( frameWidth, fGrid );
m_frameWidth->setMinValue(0);
l1->setBuddy( m_frameWidth );
l1 = new TQLabel(i18n("Frame color &1: "), fGrid );
m_colButt1 = new KColorButton( col1, fGrid );
l1->setBuddy( m_colButt1 );
l1 = new TQLabel(i18n("Frame color &2: "), fGrid );
m_colButt2 = new KColorButton( col2, fGrid );
l1->setBuddy( m_colButt2 );
/* TODO: Gradient type */
top->addWidget( hgb2, 10);
top->addWidget( hgb3, 10);
top->addStretch(10);
}
void KookaPreferences::slotOk( void )
{
slotApply();
accept();
}
void KookaPreferences::slotApply( void )
{
/* ** startup options ** */
/** write the global one, to read from libkscan also */
konf->setGroup(TQString::fromLatin1(GROUP_STARTUP));
bool cbVal = !(cbShowScannerSelection->isChecked());
kdDebug(28000) << "Writing for " << STARTUP_SKIP_ASK << ": " << cbVal << endl;
konf->writeEntry( STARTUP_SKIP_ASK, cbVal, true, true ); /* global flag goes to kdeglobals */
/* only search for local (=non-net) scanners ? */
konf->writeEntry( STARTUP_ONLY_LOCAL, !cbNetQuery->isChecked(), true, true ); /* global */
/* Should kooka open the last displayed image in the viewer ? */
if( cbReadStartupImage )
konf->writeEntry( STARTUP_READ_IMAGE, cbReadStartupImage->isChecked());
/* ** Image saver option(s) ** */
konf->setGroup( OP_FILE_GROUP );
bool showFormatAssist = cbSkipFormatAsk->isChecked();
konf->writeEntry( OP_FILE_ASK_FORMAT, showFormatAssist );
konf->writeEntry( OP_ASK_FILENAME, cbFilenameAsk->isChecked() );
/* ** Thumbnail options ** */
konf->setGroup( THUMB_GROUP );
konf->writeEntry( PIXMAP_WIDTH, m_thumbWidth->value() );
konf->writeEntry( PIXMAP_HEIGHT, m_thumbHeight->value() );
konf->writeEntry( THUMB_MARGIN, m_frameWidth->value() );
konf->writeEntry( MARGIN_COLOR1, m_colButt1->color());
konf->writeEntry( MARGIN_COLOR2, m_colButt2->color());
KURL bgUrl = m_tileSelector->selectedURL().url();
bgUrl.setProtocol("");
kdDebug(28000) << "Writing tile-pixmap " << bgUrl.prettyURL() << endl;
konf->writePathEntry( BG_WALLPAPER, bgUrl.url() );
/* ** OCR Options ** */
konf->setGroup( CFG_GROUP_OCR_DIA );
TQString eng( "gocr" );
if( m_ocradBut->isChecked() )
eng = "ocrad";
if( m_kadmosBut && m_kadmosBut->isChecked() )
eng = "kadmos";
if( eng != m_prevOCREngine )
{
// selection of the ocr engine has changed. Popup button.
KMessageBox::sorry( this, i18n( "The OCR engine settings were changed.\n"
"Note that Kooka needs to be restarted to change the OCR engine."),
i18n("OCR Engine Change") );
}
konf->writeEntry(CFG_OCR_ENGINE, eng );
TQString path = m_urlReqGocr->url();
if( ! path.isEmpty() )
konf->writePathEntry( CFG_GOCR_BINARY, path );
path = m_urlReqOcrad->url();
if( ! path.isEmpty() )
konf->writePathEntry( CFG_OCRAD_BINARY, path );
konf->sync();
emit dataSaved();
}
void KookaPreferences::slotDefault( void )
{
cbNetQuery->setChecked( true );
cbShowScannerSelection->setChecked( true);
cbReadStartupImage->setChecked( true);
cbSkipFormatAsk->setChecked( true );
TDEStandardDirs stdDir;
TQString bgImg = stdDir.findResource( "data", STD_TILE_IMG );
m_tileSelector->setURL( KURL(bgImg) );
m_thumbWidth->setValue( 100 );
m_thumbHeight->setValue( 120 );
TQColor col1 = TQColor( colorGroup().base());
TQColor col2 = TQColor( colorGroup().foreground());
m_frameWidth->setValue( 3 );
m_colButt1->setColor( col1 );
m_colButt2->setColor( col2 );
m_gocrBut->setChecked(true);
}
#include "kookapref.moc"