kpposterpage.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001-2002 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #include "kpposterpage.h"
00021 #include "posterpreview.h"
00022 #include "kprinter.h"
00023 #include "kmfactory.h"
00024 #include "util.h"
00025 
00026 #include <qcheckbox.h>
00027 #include <qcombobox.h>
00028 #include <qlabel.h>
00029 #include <qlayout.h>
00030 #include <qtooltip.h>
00031 #include <qlineedit.h>
00032 #include <qwhatsthis.h>
00033 #include <kpushbutton.h>
00034 #include <klocale.h>
00035 #include <knuminput.h>
00036 #include <kiconloader.h>
00037 
00038 KPPosterPage::KPPosterPage( QWidget *parent, const char *name )
00039     : KPrintDialogPage( parent, name )
00040 {
00041         //WhatsThis strings.... (added by pfeifle@kde.org)
00042     QString whatsThis5_PosterPage = i18n( " <qt> "
00043             " 5. "
00044             " </qt>" );
00045 
00046     QString whatsThisEnablePosterPage = i18n( " <qt> "
00047                         " <b>Print Poster</b> (enabled or disabled). "
00048             " <p>If you enable this option, you can print posters of different sizes "
00049             " The printout will happen in the form <em>'tiles'</em> printed on smaller "
00050             " paper sizes, which you can stitch together later. <em>If you enable this "
00051             " option here, the <em>'Poster Printing' filter</em> will be auto-loaded in "
00052             " the 'Filters' tab of this dialog. </p>"
00053             " <p>This tab is only visible if the external <em>'poster'</em> utility is "
00054             " discovered by KDEPrint on your system. [<em>'poster'</em> is a commandline "
00055             " utility that enables you to convert PostScript files into tiled printouts "
00056             " which allow for oversized appearance of the stitched-together tiles.] </p>"
00057             " <p><b>Note:</b> The standard version of 'poster' will not work. Your system "
00058             " must use a patched version of 'poster'. Ask your operating system vendor to "
00059             " provide a patched version of 'poster' if he does not already. </p>"
00060             " <p><b>Additional hint for power users:</b> A patched version of 'poster' is "
00061             " available from the <a href=\"http://printing.kde.org/\">KDEPrint Website</a> "
00062             " at <a href=\"http://printing.kde.org/downloads/\">http://printing.kde.org/downloads/</a>. "
00063             " The direct link to the patched source tarball is "
00064             " <a href=\"ftp://ftp.kde.org/pub/kde/printing/poster.tar.bz2\">ftp://ftp.kde.org/pub/kde/printing/poster.tar.bz2</a> "
00065             " </p> "
00066             " </qt>" );
00067 
00068     QString whatsThisTileSelectionPosterPage = i18n( " <qt> "
00069                         " <b>Tile Selection widget</b> "
00070             " <p>This GUI element is <em>not only for viewing</em> your selections: it also "
00071             " lets you interactively select the tile(s) you want to print. "
00072             " </p>"
00073             " <p><b>Hints</b> "
00074             " <ul> "
00075             " <li>Click any tile to select it for printing.</li> "
00076             " <li>To select multiple tiles to be printed "
00077             " at once, <em>'shift-click'</em> on the tiles ('shift-click' means: hold down the "
00078             " [SHIFT]-key on your keyboard and click with the mouse while [SHIFT]-key is held.)  "
00079             " <em>Be aware</em> that the order "
00080             " of your clicking is also significant to the order of printing the different tiles. </li>"
00081             " </ul> "
00082             " <b>Note 1:</b> The order of your selection (and the order for printout of the tiles) "
00083             " is indicated by the contents of the text field below, "
00084             " labelled as <em>'Tile pages (to be printed):'</em><p>"
00085             " <b>Note 2:</b> By default no tile is selected. Before you can print (a part "
00086             " of) your poster, you must select at least one tile. </p> "
00087             " </qt>" );
00088 
00089     QString whatsThisPostersizePosterPage = i18n( " <qt> "
00090                         " <b>Poster Size</b> "
00091             " <p>Select the poster size you want from the dropdown list. </p> "
00092             " Available sizes are all standard paper sizes up to "
00093             " 'A0'. [A0 is the same size as 16 sheets of A4, or '84cm x 118.2cm'.] </p> "
00094             " <p><b>Notice</b>, how the little preview window below changes with your change of poster "
00095             " size. It indicates to you how many tiles need to be printed to make the poster, "
00096             " given the selected paper size.</p>  "
00097             " <p><b>Hint:</b> The little preview window below is not just a passive icon. You can click "
00098             " on its individual tiles to select them for printing. To select multiple tiles to be printed "
00099             " at once, you need to <em>'shift-click'</em> on the tiles ('shift-click' means: hold down the "
00100             " [SHIFT]-key on your keyboard and click with the mouse while [SHIFT]-key is held.) The order "
00101             " of your clicking is significant to the order of printing the different tiles. The order of "
00102             " your selection (and for the printed tiles) is indicated by the contents of the text field "
00103             " labelled as <em>'Tile pages (to be printed):'</em><p>"
00104             " <b>Note:</b> By default no tile is selected. Before you can print (a part "
00105             " of) your poster, you must select at least one tile. </p> "
00106             " </qt>" );
00107 
00108     QString whatsThisPrintsizePosterPage = i18n( " <qt> "
00109                         " <b>Paper Size</b> "
00110             " <p>This field indicates the paper size the poster tiles will be printed on. "
00111             " To select a different paper size for your poster tiles, go to the 'General' tab "
00112             " of this dialog and select one from the dropdown list. </p> "
00113             " Available sizes are most standard paper sizes supported by your printer. Your printer's "
00114             " supported paper sizes are read from the printer driver info (as laid down in the <em>'PPD'</em>, "
00115             " the printer description file). <em>Be aware that the 'Paper Size' selected may not be supported "
00116             " by 'poster' (example: 'HalfLetter') while it may well be supported by your printer.</em>  If "
00117             " you hit that obstacle, simply use another, supported Paper Size, like 'A4' or 'Letter'. "
00118             " <p><b>Notice</b>, how the little preview window below changes with your change of paper "
00119             " size. It indicates how many tiles need to be printed to make up the poster, "
00120             " given the selected paper and poster size.</p>  "
00121             " <p><b>Hint:</b> The little preview window below is not just a passive icon. You can click "
00122             " on its individual tiles to select them for printing. To select multiple tiles to be printed "
00123             " at once, you need to <em>'shift-click'</em> on the tiles ('shift-click' means: hold down the "
00124             " [SHIFT]-key on your keyboard and click with the mouse while [SHIFT]-key is held.) The order "
00125             " of your clicking is significant to the order of printing the different tiles. The order of "
00126             " your selection (and for the printed tiles) is indicated by the contents of the text field "
00127             " labelled as <em>'Tile pages (to be printed):'</em><p>"
00128             " <b>Note:</b> By default no tile is selected. Before you can print (a part "
00129             " of) your poster, you must select at least one tile. </p> "
00130             " </qt>" );
00131 
00132     QString whatsThisCutmarginPosterPage = i18n( " <qt> "
00133                         " <b>Cut Margin selection</b> "
00134             " <p>Slider and spinbox let you determine a <em>'cut margin'</em> which will be printed onto "
00135             " each tile of your poster to help you cut the pieces as needed. </p>"
00136             " <p><b>Notice</b>, how the little preview window above changes with your change of cut "
00137             " margins. It indicates to you how much space the cut margins will take away from each tile. "
00138             " <p><b>Be aware</b>, that your cut margins need to be equal to or greater than the margins your "
00139             " printer uses. The printer's capabilities are described in the <em>'ImageableArea'</em> "
00140             " keywords of its driver PPD file. </p> "
00141             " </qt>" );
00142 
00143     QString whatsThisTileOrderSelectionPosterPage = i18n( " <qt> "
00144                         " <b>Order and number of tile pages to be printed</b> "
00145             " <p>This field displays and sets the individual tiles to be printed, as well as the order "
00146             " for their printout. </p> "
00147             " You can file the field with 2 different methods: "
00148             " <ul> "
00149             " <li>Either use the interactive thumbnail preview above and '[SHIFT]-click' on the tiles. </li> "
00150             " <li>Or edit this text field accordingly. </li> "
00151             " </ul> "
00152             " <p>When editing the field, you can use a '3-7' syntax instead of a '3,4,5,6,7' one. </p> "
00153             " <p><b>Examples:</b></p> "
00154             " <pre> "
00155             "   \"2,3,7,9,3\" "
00156             " <br> "
00157             "   \"1-3,6,8-11\" "
00158             " </qt>" );
00159 
00160     setTitle( i18n( "Poster" ) );
00161 
00162     m_postercheck = new QCheckBox( i18n( "&Print poster" ), this );
00163           QWhatsThis::add(m_postercheck, whatsThisEnablePosterPage);
00164     QWidget *dummy = new QWidget( this );
00165     m_preview = new PosterPreview( dummy );
00166           QWhatsThis::add(m_preview, whatsThisTileSelectionPosterPage);
00167     m_postersize = new QComboBox( dummy );
00168           QWhatsThis::add(m_postersize, whatsThisPostersizePosterPage);
00169     m_printsize = new QComboBox( dummy );
00170           QWhatsThis::add(m_printsize, whatsThisPrintsizePosterPage);
00171     m_lockbtn = new KPushButton( dummy );
00172           //QWhatsThis::add(m_lockbtn, whatsThis5_PosterPage);           //FIXME ASK_MICHAEL: which pushbutton would that be?
00173     m_mediasize = new QLabel( dummy );
00174           QWhatsThis::add(m_mediasize, whatsThisPrintsizePosterPage);
00175     m_mediasize->setFrameStyle( QFrame::Panel|QFrame::Sunken );
00176     QLabel *posterlab = new QLabel( i18n( "Poste&r size:" ), dummy );
00177           QWhatsThis::add(posterlab, whatsThisPostersizePosterPage);
00178     QLabel *medialab = new QLabel( i18n( "Media size:" ), dummy );
00179           QWhatsThis::add(medialab, whatsThisPrintsizePosterPage);
00180     QLabel *printlab = new QLabel( i18n( "Pri&nt size:" ), dummy );
00181           QWhatsThis::add(printlab, whatsThisPrintsizePosterPage);
00182     posterlab->setBuddy( m_postersize );
00183     printlab->setBuddy( m_printsize );
00184     m_cutmargin = new KIntNumInput( 5, dummy );
00185           QWhatsThis::add(m_cutmargin, whatsThisCutmarginPosterPage);
00186     // xgettext:no-c-format
00187     m_cutmargin->setLabel( i18n( "C&ut margin (% of media):" ) );
00188     m_cutmargin->setRange( 0, 100, 2, true );                     // step width was too big, changed from 10 to 2 (-kp-)
00189     m_selection = new QLineEdit( dummy );
00190           QWhatsThis::add(m_selection, whatsThisTileOrderSelectionPosterPage);
00191     QLabel *selectionlab = new QLabel( i18n( "&Tile pages (to be printed):" ), dummy );
00192           QWhatsThis::add(selectionlab, whatsThisTileOrderSelectionPosterPage);
00193     selectionlab->setBuddy( m_selection );
00194     m_lockbtn->setToggleButton( true );
00195     m_lockbtn->setPixmap( SmallIcon( "encrypted" ) );
00196     m_lockbtn->setOn( true );
00197     m_lockbtn->setFixedSize( m_lockbtn->sizeHint() );
00198     QToolTip::add( m_lockbtn, i18n( "Link/unlink poster and print size" ) );
00199 
00200     for ( int i=0; i<KPrinter::NPageSize-1; i++ )
00201     {
00202         m_postersize->insertItem( page_sizes[ i ].text );
00203         m_printsize->insertItem( page_sizes[ i ].text );
00204     }
00205     m_postersize->setCurrentItem( findIndex( KPrinter::A3 ) );
00206     slotPosterSizeChanged( m_postersize->currentItem() );
00207 
00208     connect( m_postercheck, SIGNAL( toggled( bool ) ), dummy, SLOT( setEnabled( bool ) ) );
00209     dummy->setEnabled( false );
00210     connect( m_postersize, SIGNAL( activated( int ) ), SLOT( slotPosterSizeChanged( int ) ) );
00211     connect( m_cutmargin, SIGNAL( valueChanged( int ) ), SLOT( slotMarginChanged( int ) ) );
00212     connect( m_lockbtn, SIGNAL( toggled( bool ) ), m_printsize, SLOT( setDisabled( bool ) ) );
00213     m_printsize->setEnabled( false );
00214     connect( m_lockbtn, SIGNAL( toggled( bool ) ), SLOT( slotLockToggled( bool ) ) );
00215     connect( m_selection, SIGNAL( textChanged( const QString& ) ), m_preview, SLOT( setSelectedPages( const QString& ) ) );
00216     connect( m_preview, SIGNAL( selectionChanged( const QString& ) ), m_selection, SLOT( setText( const QString& ) ) );
00217 
00218     if ( KMFactory::self()->settings()->application != KPrinter::Dialog 
00219             && KMFactory::self()->settings()->application >= 0 )
00220     {
00221         m_printsize->hide();
00222         m_lockbtn->hide();
00223         printlab->hide();
00224     }
00225 
00226     QVBoxLayout *l0 = new QVBoxLayout( this, 0, 10 );
00227     l0->addWidget( m_postercheck );
00228     l0->addWidget( dummy, 1 );
00229     QGridLayout *l1 = new QGridLayout( dummy, 8, 3, 0, 5 );
00230     l1->addWidget( posterlab, 0, 0 );
00231     l1->addWidget( m_postersize, 0, 1 );
00232     l1->addWidget( printlab, 1, 0 );
00233     l1->addWidget( m_printsize, 1, 1 );
00234     l1->addWidget( medialab, 2, 0 );
00235     l1->addWidget( m_mediasize, 2, 1 );
00236     l1->addMultiCellWidget( m_preview, 4, 4, 0, 2 );
00237     l1->addMultiCellWidget( m_cutmargin, 6, 6, 0, 2 );
00238     l1->addMultiCellWidget( m_lockbtn, 0, 1, 2, 2 );
00239     QHBoxLayout *l2 = new QHBoxLayout( 0, 0, 5 );
00240     l1->addMultiCellLayout( l2, 7, 7, 0, 2 );
00241     l2->addWidget( selectionlab );
00242     l2->addWidget( m_selection );
00243     l1->setColStretch( 1, 1 );
00244     l1->setRowStretch( 4, 1 );
00245     l1->addRowSpacing( 3, 10 );
00246     l1->addRowSpacing( 5, 10 );
00247 }
00248 
00249 KPPosterPage::~KPPosterPage()
00250 {
00251 }
00252 
00253 void KPPosterPage::setOptions( const QMap<QString,QString>& opts )
00254 {
00255     QString ps = opts[ "PageSize" ];
00256     if ( ps.isEmpty() && !opts[ "kde-pagesize" ].isEmpty() )
00257     {
00258         ps = pageSizeToPageName( ( KPrinter::PageSize )opts[ "kde-pagesize" ].toInt() );
00259         if ( ps.isEmpty() )
00260             ps = opts[ "_kde-poster-media" ];
00261     }
00262     if ( ps.isEmpty() )
00263         m_mediasize->setText( i18n( "Unknown" ) );
00264     else
00265         m_mediasize->setText( ps );
00266     m_preview->setMediaSize( ps );
00267 
00268     if ( opts[ "_kde-filters" ].find( "poster" ) != -1 )
00269     {
00270         m_postercheck->setChecked( true );
00271         ps = opts[ "_kde-poster-size" ];
00272         QString prtsize = opts[ "kde-printsize" ];
00273         if ( !ps.isEmpty() )
00274         {
00275             m_postersize->setCurrentItem( findIndex( pageNameToPageSize( ps ) ) );
00276             m_lockbtn->setOn( !prtsize.isEmpty() && 
00277                     page_sizes[ m_postersize->currentItem() ].ID == prtsize.toInt() );
00278             if ( !m_lockbtn->isOn() )
00279                 m_printsize->setCurrentItem( findIndex( prtsize.toInt() ) );
00280             slotPosterSizeChanged( m_postersize->currentItem() );
00281         }
00282         if ( !opts[ "_kde-poster-cut" ].isEmpty() )
00283             m_cutmargin->setValue( opts[ "_kde-poster-cut" ].toInt() );
00284         m_selection->setText( opts[ "_kde-poster-select" ] );
00285     }
00286     else
00287         m_postercheck->setChecked( false );
00288 }
00289 
00290 void KPPosterPage::getOptions( QMap<QString,QString>& opts, bool )
00291 {
00292     QStringList o = QStringList::split( ",", opts[ "_kde-filters" ], false );
00293     if ( !m_postercheck->isChecked() )
00294     {
00295         o.remove( "poster" );
00296         opts[ "_kde-filters" ] = o.join( "," );
00297         opts.remove( "_kde-poster-media" );
00298         opts.remove( "_kde-poster-size" );
00299         opts.remove( "_kde-poster-cut" );
00300         opts.remove( "kde-printsize" );
00301         opts.remove( "_kde-poster-select" );
00302     }
00303     else
00304     {
00305         if ( !o.contains( "poster" ) )
00306             o.append( "poster" );
00307         opts[ "_kde-filters" ] = o.join( "," );
00308         opts[ "_kde-poster-media" ] = m_mediasize->text();
00309         opts[ "_kde-poster-size" ] = pageSizeToPageName( ( KPrinter::PageSize )page_sizes[ m_postersize->currentItem() ].ID );
00310         opts[ "kde-printsize" ] = QString::number( page_sizes[ m_printsize->currentItem() ].ID );
00311         opts[ "_kde-poster-cut" ] = QString::number( m_cutmargin->value() );
00312         opts[ "_kde-poster-select" ] = m_selection->text().stripWhiteSpace();
00313     }
00314 }
00315 
00316 bool KPPosterPage::isValid()
00317 {
00318     return true;
00319 }
00320 
00321 void KPPosterPage::slotPosterSizeChanged( int value )
00322 {
00323     int ID = page_sizes[ m_postersize->currentItem() ].ID;
00324     m_preview->setPosterSize( ID );
00325     if ( m_lockbtn->isOn() )
00326         m_printsize->setCurrentItem( value );
00327 }
00328 
00329 void KPPosterPage::slotMarginChanged( int value )
00330 {
00331     m_preview->setCutMargin( value );
00332 }
00333 
00334 void KPPosterPage::slotLockToggled( bool on )
00335 {
00336     m_lockbtn->setPixmap( SmallIcon( on ? "encrypted" : "decrypted" ) );
00337     if ( on )
00338         m_printsize->setCurrentItem( m_postersize->currentItem() );
00339 }
00340 
00341 #include "kpposterpage.moc"
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