/** * Copyright (C) 1997-2003 the KGhostView authors. See file AUTHORS. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <math.h> #include <tqlistbox.h> #include <tdeapplication.h> #include <tdeconfig.h> #include <kdebug.h> #include <kinstance.h> #include <tdeversion.h> #include <tdelocale.h> #include <tdemessagebox.h> // KLineEditDlg is depricated as of 3.2. use KInputDialog instead #if TDE_VERSION >= TDE_MAKE_VERSION(3,1,90) #include <kinputdialog.h> #else #include <tqvalidator.h> #include <tqwidget.h> #include <klineeditdlg.h> #endif #include <config.h> #include <stdlib.h> #include "infodialog.h" #include "marklist.h" #include "kgvdocument.h" #include "kgv_view.h" #include "version.h" #include "scrollbox.h" #include "kgv_miniwidget.h" #include "kpswidget.h" using namespace KGV; KGVMiniWidget::KGVMiniWidget( KGVPart* part, const char* name ) : TQObject( part, name ), _document( 0 ), _part( part ), _psWidget( 0 ), _usePageLabels( true ), _visiblePage( -1 ) { TDELocale locale( "kghostview" ); _fallBackPageMedia = pageSizeToString( static_cast< TQPrinter::PageSize >( locale.pageSize() ) ); _thumbnailService = new ThumbnailService( this ); connect( this, TQT_SIGNAL( newPageShown( int ) ), TQT_SLOT( updateStatusBarText( int ) ) ); } void KGVMiniWidget::setDocument( KGVDocument* document ) { _document = document; if( _document ) connect( _document, TQT_SIGNAL( completed() ), TQT_SLOT( slotDocumentOpened() ) ); } TQString KGVMiniWidget::pageSizeToString( TQPrinter::PageSize pageSize ) { switch( pageSize ) { case TQPrinter::A3: return "A3"; case TQPrinter::A4: return "A4"; case TQPrinter::A5: return "A5"; case TQPrinter::B4: return "B4"; case TQPrinter::Ledger: return "Ledger"; case TQPrinter::Legal: return "Legal"; case TQPrinter::Letter: return "Letter"; default: return "Unknown"; } } void KGVMiniWidget::reset() { /* if( _psWidget ) _psWidget->disableInterpreter(); */ // return to document defaults _options.reset(); emit setStatusBarText( "" ); } void KGVMiniWidget::setPSWidget( KPSWidget* psWidget ) { _psWidget = psWidget; // setMagnification( _magnification ); connect( _psWidget, TQT_SIGNAL( newPageImage( TQPixmap ) ), this, TQT_SLOT( sendPage() ) ); } void KGVMiniWidget::goToPage() { #if TDE_VERSION >= TDE_MAKE_VERSION(3,1,90) int num; bool ok = false; num = KInputDialog::getInteger(i18n("Go to Page"), i18n("Page:"), 1, 1, dsc()->page_count(), 1, 10, &ok, _part->widget()); if (ok) goToPage( num-1 ); #else TQString num; bool b = false; num = KLineEditDlg::getText(i18n("Go to Page"), i18n("Page:"), TQString(), &b, _part->widget(), new TQIntValidator(1, dsc()->page_count(), this)); if (b) goToPage( num.toInt() - 1 ); #endif } void KGVMiniWidget::info() { if( !document()->isOpen() ) return; InfoDialog* infoDialog = new InfoDialog( _part->widget(), "info", true ); infoDialog->setup( _part->url().prettyURL(), dsc()->dsc_title(), dsc()->dsc_date() ); infoDialog->exec(); delete infoDialog; } void KGVMiniWidget::goToPage( int page ) { if( _options.page() != page ) { _options.setPage( page ); showPage( _options.page() ); } } void KGVMiniWidget::zoomIn() { if ( _options.zoomIn() ) showPage( _options.page() ); } void KGVMiniWidget::zoomOut() { if ( _options.zoomOut() ) showPage( _options.page() ); } bool KGVMiniWidget::atMaxZoom() const { return !_options.canZoomIn(); } bool KGVMiniWidget::atMinZoom() const { return !_options.canZoomOut(); } void KGVMiniWidget::fitWidth( unsigned int width ) { if ( (orientation() == CDSC_LANDSCAPE) || (orientation() == CDSC_SEASCAPE) ) setMagnification( ( (double)width / TQPaintDevice::x11AppDpiY()) / ( (double)boundingBox().height() / 72) ); else // default setMagnification( ( (double)width / TQPaintDevice::x11AppDpiX() ) / ( (double)boundingBox().width() / 72) ); } void KGVMiniWidget::fitHeight( unsigned int height ) { if ( (orientation() == CDSC_LANDSCAPE) || (orientation() == CDSC_SEASCAPE) ) setMagnification( ( (double)height / TQPaintDevice::x11AppDpiY()) / ( (double)boundingBox().width() / 72) ); else //default setMagnification( ( (double)height / TQPaintDevice::x11AppDpiY()) / ( (double)boundingBox().height() / 72) ); } void KGVMiniWidget::fitWidthHeight( unsigned int w, unsigned int h ) { double magnification = std::min<double>( ( ( double )h / TQPaintDevice::x11AppDpiY() ) / ( ( double )boundingBox().height() / 72.0 ), ( ( double )w / TQPaintDevice::x11AppDpiX() ) / ( ( double )boundingBox().width() / 72.0 ) ); setMagnification( magnification ); } void KGVMiniWidget::firstPage() { goToPage( 0 ); } void KGVMiniWidget::lastPage() { if ( !dsc() ) return; goToPage( dsc()->page_count() - 1 ); } bool KGVMiniWidget::prevPage() { if ( !dsc() ) return false; int new_page = 0; if( dsc()->isStructured() ) { new_page = _options.page() - 1; if( new_page < 0 ) return false; } goToPage( new_page ); return true; } bool KGVMiniWidget::nextPage() { if ( !dsc() ) return false; int new_page = 0; if( dsc()->isStructured() ) { new_page = _options.page() + 1; if( (unsigned int)new_page >= dsc()->page_count() ) return false; } goToPage( new_page ); return true; } void KGVMiniWidget::redisplay () { if( !document()->psFile() ) return; _psWidget->stopInterpreter(); showPage( _options.page() ); } void KGVMiniWidget::restoreOverrideOrientation() { _options.restoreOverrideOrientation(); showPage( _options.page() ); } void KGVMiniWidget::setOverrideOrientation( CDSC_ORIENTATION_ENUM orientation ) { _options.setOverrideOrientation( orientation ); showPage( _options.page() ); } CDSC_ORIENTATION_ENUM KGVMiniWidget::orientation() const { if( _options.overrideOrientation() != CDSC_ORIENT_UNKNOWN ) return _options.overrideOrientation(); else if( dsc()->page_orientation() != CDSC_ORIENT_UNKNOWN ) return static_cast< CDSC_ORIENTATION_ENUM >( dsc()->page_orientation()); else if( dsc()->bbox().get() != 0 && dsc()->bbox()->width() > dsc()->bbox()->height() ) return CDSC_LANDSCAPE; else return CDSC_PORTRAIT; } CDSC_ORIENTATION_ENUM KGVMiniWidget::orientation( int pagenumber ) const { if ( !dsc() || unsigned( pagenumber ) >= dsc()->page_count() ) { return orientation(); } if( _options.overrideOrientation() != CDSC_ORIENT_UNKNOWN ) { return _options.overrideOrientation(); } if( dsc()->page()[ pagenumber ].orientation != CDSC_ORIENT_UNKNOWN ) { return static_cast< CDSC_ORIENTATION_ENUM >( dsc()->page()[ pagenumber ].orientation ); } if( dsc()->page_orientation() != CDSC_ORIENT_UNKNOWN ) { return static_cast< CDSC_ORIENTATION_ENUM >( dsc()->page_orientation()); } if( !dsc()->epsf() ) { return CDSC_PORTRAIT; } if( dsc()->bbox().get() != 0 && dsc()->bbox()->width() > dsc()->bbox()->height() ) { return CDSC_LANDSCAPE; } return CDSC_PORTRAIT; } void KGVMiniWidget::restoreOverridePageMedia() { _options.restoreOverridePageMedia(); redisplay(); showPage( _options.page() ); } void KGVMiniWidget::setOverridePageMedia( const TQString& mediaName ) { _options.setOverridePageMedia( mediaName ); showPage( _options.page() ); } TQString KGVMiniWidget::pageMedia() const { if( !_options.overridePageMedia().isNull() ) return _options.overridePageMedia(); else if( dsc()->page_media() != 0 ) return TQString( dsc()->page_media()->name ); else if( dsc()->bbox().get() != 0 ) return TQString( "BoundingBox" ); else return _fallBackPageMedia; } TQString KGVMiniWidget::pageMedia( int pagenumber ) const { kdDebug( 4500 ) << "KGVMiniWidget::pageMedia( " << pagenumber << " )" << endl; if ( !dsc() ) return pageMedia(); if ( unsigned( pagenumber ) >= dsc()->page_count() ) return pageMedia(); if( !_options.overridePageMedia().isNull() ) return _options.overridePageMedia(); else if( dsc()->page()[ pagenumber ].media != 0 ) return TQString( dsc()->page()[ pagenumber ].media->name ); else if( dsc()->page_media() != 0 ) return TQString( dsc()->page_media()->name ); else if( dsc()->bbox().get() != 0 ) return TQString( "BoundingBox" ); else return _fallBackPageMedia; } KDSCBBOX KGVMiniWidget::boundingBox() const { TQString currentMedia = pageMedia(); if( currentMedia == "BoundingBox" ) return KDSCBBOX( *dsc()->bbox().get() ); else { TQSize size = document()->computePageSize( currentMedia ); return KDSCBBOX( 0, 0, size.width(), size.height() ); } } KDSCBBOX KGVMiniWidget::boundingBox( int pageNo ) const { TQString currentMedia = pageMedia( pageNo ); if( currentMedia == "BoundingBox" ) return KDSCBBOX( *dsc()->bbox().get() ); else { TQSize size = document()->computePageSize( currentMedia ); return KDSCBBOX( 0, 0, size.width(), size.height() ); } } bool KGVMiniWidget::atFirstPage() const { return ( _options.page() == 0 ); } bool KGVMiniWidget::atLastPage() const { return ( _options.page() == static_cast<int>( dsc()->page_count() ) - 1 ); } void KGVMiniWidget::showPage( int pagenumber ) { if( !document()->isOpen() ) return; kdDebug(4500) << "KGVMiniWidget::showPage( " << pagenumber << " )" << endl; TQT_TQWIDGET( _psWidget->parent() )->show(); _psWidget->setFileName(_document->fileName(), dsc()->isStructured() ); _psWidget->clear(); if( dsc()->isStructured() ) { // Coerce page number to fall in range if( ( unsigned int)pagenumber >= dsc()->page_count() ) pagenumber = dsc()->page_count() - 1; if( pagenumber < 0 ) pagenumber = 0; _options.setPage( pagenumber ); _psWidget->setOrientation( orientation( _options.page() ) ); _psWidget->setBoundingBox( boundingBox( _options.page() ) ); _psWidget->setMagnification( _options.magnification() ); if( !_psWidget->isInterpreterRunning() ) { // Start interpreter, send preamble and send the current page. if( _psWidget->startInterpreter() ) { _psWidget->sendPS( psFile(), dsc()->beginprolog(), dsc()->endprolog() ); _psWidget->sendPS( psFile(), dsc()->beginsetup(), dsc()->endsetup() ); _psWidget->sendPS( psFile(), dsc()->page()[ _options.page() ].begin, dsc()->page()[ _options.page() ].end ); _visiblePage = _options.page(); } } else sendPage(); } else { _psWidget->setOrientation( orientation() ); _psWidget->setBoundingBox( boundingBox() ); _psWidget->setMagnification( _options.magnification() ); if( !_psWidget->isInterpreterRunning() ) { // This is not a structured document -- start interpreter _psWidget->startInterpreter(); if( !dsc() ) _psWidget->stopInterpreter(); } else if( _psWidget->isInterpreterReady() ) _psWidget->nextPage(); else { /* KNotifyClient::userEvent (i18n("KGhostview cannot load the document, \"%1\".\n" "It appears to be broken.").arg( _fileName ), KNotifyClient::Messagebox); _psWidget->disableInterpreter(); _psFile=0; //TODO: More to do to turn off display? */ return; } } // Do this after ajusting pagenumber above _thumbnailService->cancelRequests( -1 , TQT_TQOBJECT(_part->scrollBox()), TQT_SLOT( setThumbnail( TQPixmap ) ) ); _thumbnailService->delayedGetThumbnail( pagenumber, TQT_TQOBJECT(_part->scrollBox()), TQT_SLOT( setThumbnail( TQPixmap ) ), true ); emit newPageShown( pagenumber ); } void KGVMiniWidget::sendPage() { // Send the page to the interpreter. if( !_psWidget->isInterpreterBusy() && _visiblePage != _options.page() ) { // Interpreter ready - Fire off next page _psWidget->clear(); _psWidget->nextPage(); _psWidget->sendPS( psFile(), dsc()->page()[ _options.page() ].begin, dsc()->page()[ _options.page() ].end ); _visiblePage = _options.page(); } } void KGVMiniWidget::updateStatusBarText( int pageNumber ) { if( !dsc() ) return; if( dsc()->isStructured() ) { TQString text; if( pageNumber == -1 ) text = i18n( "Page 1" ); else if( !_usePageLabels || document()->format() == KGVDocument::PDF ) text = i18n( "Page %1 of %2" ) .arg( pageNumber + 1 ) .arg( dsc()->page_count() ); else text = i18n( "Page %1 (%2 of %3)" ) .arg( dsc()->page()[ _options.page() ].label ) .arg( pageNumber + 1 ) .arg( dsc()->page_count() ); emit setStatusBarText( text ); } } void KGVMiniWidget::buildTOC() { if( !dsc() ) return; // Build table of contents // Well, that's what it used to be called !! int last_page = 0; MarkList* marklist = _part->markList(); if( dsc()->isStructured() ) { if( _usePageLabels ) for( unsigned i = 0; i < dsc()->page_count(); ++i ) { unsigned j = i; if( dsc()->page_order() == CDSC_DESCEND ) j = ( dsc()->page_count() - 1 ) - i; last_page = atoi( dsc()->page()[j].label ); } // finally set marked list TQString s; for( unsigned i = 0; i < dsc()->page_count(); ++i ) { const char * label = dsc()->page()[ i ].label; TQString tip = TQString::fromLocal8Bit( label ? label : "" ); if( !_usePageLabels ) s.setNum( i + 1 ); else s = tip; marklist->insertItem( s, i, tip ); } } else { marklist->insertItem( TQString::fromLatin1( "1" ), 0 ); } } void KGVMiniWidget::setMagnification( double magnification ) { if ( magnification != _options.magnification() ) { _options.setMagnification( magnification ); showPage( _options.page() ); } } void KGVMiniWidget::enablePageLabels( bool b ) { if( _usePageLabels != b ) { _usePageLabels = b; updateStatusBarText( _options.page() ); buildTOC(); } } void KGVMiniWidget::slotDocumentOpened() { buildTOC(); showPage( _options.page() ); } void KGVMiniWidget::setDisplayOptions( const DisplayOptions& newOptions ) { _options = newOptions; } #include "kgv_miniwidget.moc"