kpposterpage.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001-2002 Michael Goffioul <tdeprint@swing.be>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  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 "kpposterpage.h"
#include "posterpreview.h"
#include "kprinter.h"
#include "kmfactory.h"
#include "util.h"
 
#include <tqcheckbox.h>
#include <tqcombobox.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqtooltip.h>
#include <tqlineedit.h>
#include <tqwhatsthis.h>
#include <kpushbutton.h>
#include <tdelocale.h>
#include <knuminput.h>
#include <kiconloader.h>
 
KPPosterPage::KPPosterPage( TQWidget *parent, const char *name )
    : KPrintDialogPage( parent, name )
{
        //WhatsThis strings.... (added by pfeifle@kde.org)
    TQString whatsThis5_PosterPage = i18n( " <qt> "
            " 5. "
            " </qt>" );
 
    TQString whatsThisEnablePosterPage = i18n( " <qt> "
                        " <b>Print Poster</b> (enabled or disabled). "
            " <p>If you enable this option, you can print posters of different sizes "
            " The printout will happen in the form <em>'tiles'</em> printed on smaller "
            " paper sizes, which you can stitch together later. <em>If you enable this "
            " option here, the <em>'Poster Printing' filter</em> will be auto-loaded in "
            " the 'Filters' tab of this dialog. </p>"
            " <p>This tab is only visible if the external <em>'poster'</em> utility is "
            " discovered by TDEPrint on your system. [<em>'poster'</em> is a commandline "
            " utility that enables you to convert PostScript files into tiled printouts "
            " which allow for oversized appearance of the stitched-together tiles.] </p>"
            " <p><b>Note:</b> The standard version of 'poster' will not work. Your system "
            " must use a patched version of 'poster'. Ask your operating system vendor to "
            " provide a patched version of 'poster' if he does not already. </p>"
            " </qt>" );
 
    TQString whatsThisTileSelectionPosterPage = i18n( " <qt> "
                        " <b>Tile Selection widget</b> "
            " <p>This GUI element is <em>not only for viewing</em> your selections: it also "
            " lets you interactively select the tile(s) you want to print. "
            " </p>"
            " <p><b>Hints</b> "
            " <ul> "
            " <li>Click any tile to select it for printing.</li> "
            " <li>To select multiple tiles to be printed "
            " at once, <em>'shift-click'</em> on the tiles ('shift-click' means: hold down the "
            " [SHIFT]-key on your keyboard and click with the mouse while [SHIFT]-key is held.)  "
            " <em>Be aware</em> that the order "
            " of your clicking is also significant to the order of printing the different tiles. </li>"
            " </ul> "
            " <b>Note 1:</b> The order of your selection (and the order for printout of the tiles) "
            " is indicated by the contents of the text field below, "
            " labelled as <em>'Tile pages (to be printed):'</em><p>"
            " <b>Note 2:</b> By default no tile is selected. Before you can print (a part "
            " of) your poster, you must select at least one tile. </p> "
            " </qt>" );
 
    TQString whatsThisPostersizePosterPage = i18n( " <qt> "
                        " <b>Poster Size</b> "
            " <p>Select the poster size you want from the dropdown list. </p> "
            " Available sizes are all standard paper sizes up to "
            " 'A0'. [A0 is the same size as 16 sheets of A4, or '84cm x 118.2cm'.] </p> "
            " <p><b>Notice</b>, how the little preview window below changes with your change of poster "
            " size. It indicates to you how many tiles need to be printed to make the poster, "
            " given the selected paper size.</p>  "
            " <p><b>Hint:</b> The little preview window below is not just a passive icon. You can click "
            " on its individual tiles to select them for printing. To select multiple tiles to be printed "
            " at once, you need to <em>'shift-click'</em> on the tiles ('shift-click' means: hold down the "
            " [SHIFT]-key on your keyboard and click with the mouse while [SHIFT]-key is held.) The order "
            " of your clicking is significant to the order of printing the different tiles. The order of "
            " your selection (and for the printed tiles) is indicated by the contents of the text field "
            " labelled as <em>'Tile pages (to be printed):'</em><p>"
            " <b>Note:</b> By default no tile is selected. Before you can print (a part "
            " of) your poster, you must select at least one tile. </p> "
            " </qt>" );
 
    TQString whatsThisPrintsizePosterPage = i18n( " <qt> "
                        " <b>Paper Size</b> "
            " <p>This field indicates the paper size the poster tiles will be printed on. "
            " To select a different paper size for your poster tiles, go to the 'General' tab "
            " of this dialog and select one from the dropdown list. </p> "
            " Available sizes are most standard paper sizes supported by your printer. Your printer's "
            " supported paper sizes are read from the printer driver info (as laid down in the <em>'PPD'</em>, "
            " the printer description file). <em>Be aware that the 'Paper Size' selected may not be supported "
            " by 'poster' (example: 'HalfLetter') while it may well be supported by your printer.</em>  If "
            " you hit that obstacle, simply use another, supported Paper Size, like 'A4' or 'Letter'. "
            " <p><b>Notice</b>, how the little preview window below changes with your change of paper "
            " size. It indicates how many tiles need to be printed to make up the poster, "
            " given the selected paper and poster size.</p>  "
            " <p><b>Hint:</b> The little preview window below is not just a passive icon. You can click "
            " on its individual tiles to select them for printing. To select multiple tiles to be printed "
            " at once, you need to <em>'shift-click'</em> on the tiles ('shift-click' means: hold down the "
            " [SHIFT]-key on your keyboard and click with the mouse while [SHIFT]-key is held.) The order "
            " of your clicking is significant to the order of printing the different tiles. The order of "
            " your selection (and for the printed tiles) is indicated by the contents of the text field "
            " labelled as <em>'Tile pages (to be printed):'</em><p>"
            " <b>Note:</b> By default no tile is selected. Before you can print (a part "
            " of) your poster, you must select at least one tile. </p> "
            " </qt>" );
 
    TQString whatsThisCutmarginPosterPage = i18n( " <qt> "
                        " <b>Cut Margin selection</b> "
            " <p>Slider and spinbox let you determine a <em>'cut margin'</em> which will be printed onto "
            " each tile of your poster to help you cut the pieces as needed. </p>"
            " <p><b>Notice</b>, how the little preview window above changes with your change of cut "
            " margins. It indicates to you how much space the cut margins will take away from each tile. "
            " <p><b>Be aware</b>, that your cut margins need to be equal to or greater than the margins your "
            " printer uses. The printer's capabilities are described in the <em>'ImageableArea'</em> "
            " keywords of its driver PPD file. </p> "
            " </qt>" );
 
    TQString whatsThisTileOrderSelectionPosterPage = i18n( " <qt> "
                        " <b>Order and number of tile pages to be printed</b> "
            " <p>This field displays and sets the individual tiles to be printed, as well as the order "
            " for their printout. </p> "
            " You can file the field with 2 different methods: "
            " <ul> "
            " <li>Either use the interactive thumbnail preview above and '[SHIFT]-click' on the tiles. </li> "
            " <li>Or edit this text field accordingly. </li> "
            " </ul> "
            " <p>When editing the field, you can use a '3-7' syntax instead of a '3,4,5,6,7' one. </p> "
            " <p><b>Examples:</b></p> "
            " <pre> "
            "   \"2,3,7,9,3\" "
            " <br> "
            "   \"1-3,6,8-11\" "
            " </qt>" );
 
    setTitle( i18n( "Poster" ) );
 
    m_postercheck = new TQCheckBox( i18n( "&Print poster" ), this );
          TQWhatsThis::add(m_postercheck, whatsThisEnablePosterPage);
    TQWidget *dummy = new TQWidget( this );
    m_preview = new PosterPreview( dummy );
          TQWhatsThis::add(m_preview, whatsThisTileSelectionPosterPage);
    m_postersize = new TQComboBox( dummy );
          TQWhatsThis::add(m_postersize, whatsThisPostersizePosterPage);
    m_printsize = new TQComboBox( dummy );
          TQWhatsThis::add(m_printsize, whatsThisPrintsizePosterPage);
    m_lockbtn = new KPushButton( dummy );
          //TQWhatsThis::add(m_lockbtn, whatsThis5_PosterPage);           //FIXME ASK_MICHAEL: which pushbutton would that be?
    m_mediasize = new TQLabel( dummy );
          TQWhatsThis::add(m_mediasize, whatsThisPrintsizePosterPage);
    m_mediasize->setFrameStyle( TQFrame::Panel|TQFrame::Sunken );
    TQLabel *posterlab = new TQLabel( i18n( "Poste&r size:" ), dummy );
          TQWhatsThis::add(posterlab, whatsThisPostersizePosterPage);
    TQLabel *medialab = new TQLabel( i18n( "Media size:" ), dummy );
          TQWhatsThis::add(medialab, whatsThisPrintsizePosterPage);
    TQLabel *printlab = new TQLabel( i18n( "Pri&nt size:" ), dummy );
          TQWhatsThis::add(printlab, whatsThisPrintsizePosterPage);
    posterlab->setBuddy( m_postersize );
    printlab->setBuddy( m_printsize );
    m_cutmargin = new KIntNumInput( 5, dummy );
          TQWhatsThis::add(m_cutmargin, whatsThisCutmarginPosterPage);
    // xgettext:no-c-format
    m_cutmargin->setLabel( i18n( "C&ut margin (% of media):" ) );
    m_cutmargin->setRange( 0, 100, 2, true );                     // step width was too big, changed from 10 to 2 (-kp-)
    m_selection = new TQLineEdit( dummy );
          TQWhatsThis::add(m_selection, whatsThisTileOrderSelectionPosterPage);
    TQLabel *selectionlab = new TQLabel( i18n( "&Tile pages (to be printed):" ), dummy );
          TQWhatsThis::add(selectionlab, whatsThisTileOrderSelectionPosterPage);
    selectionlab->setBuddy( m_selection );
    m_lockbtn->setToggleButton( true );
    m_lockbtn->setPixmap( SmallIcon( "encrypted" ) );
    m_lockbtn->setOn( true );
    m_lockbtn->setFixedSize( m_lockbtn->sizeHint() );
    TQToolTip::add( m_lockbtn, i18n( "Link/unlink poster and print size" ) );
 
    for ( int i=0; i<KPrinter::NPageSize-1; i++ )
    {
        m_postersize->insertItem( page_sizes[ i ].text );
        m_printsize->insertItem( page_sizes[ i ].text );
    }
    m_postersize->setCurrentItem( findIndex( KPrinter::A3 ) );
    slotPosterSizeChanged( m_postersize->currentItem() );
 
    connect( m_postercheck, TQ_SIGNAL( toggled( bool ) ), dummy, TQ_SLOT( setEnabled( bool ) ) );
    dummy->setEnabled( false );
    connect( m_postersize, TQ_SIGNAL( activated( int ) ), TQ_SLOT( slotPosterSizeChanged( int ) ) );
    connect( m_cutmargin, TQ_SIGNAL( valueChanged( int ) ), TQ_SLOT( slotMarginChanged( int ) ) );
    connect( m_lockbtn, TQ_SIGNAL( toggled( bool ) ), m_printsize, TQ_SLOT( setDisabled( bool ) ) );
    m_printsize->setEnabled( false );
    connect( m_lockbtn, TQ_SIGNAL( toggled( bool ) ), TQ_SLOT( slotLockToggled( bool ) ) );
    connect( m_selection, TQ_SIGNAL( textChanged( const TQString& ) ), m_preview, TQ_SLOT( setSelectedPages( const TQString& ) ) );
    connect( m_preview, TQ_SIGNAL( selectionChanged( const TQString& ) ), m_selection, TQ_SLOT( setText( const TQString& ) ) );
 
    if ( KMFactory::self()->settings()->application != KPrinter::Dialog 
            && KMFactory::self()->settings()->application >= 0 )
    {
        m_printsize->hide();
        m_lockbtn->hide();
        printlab->hide();
    }
 
    TQVBoxLayout *l0 = new TQVBoxLayout( this, 0, 10 );
    l0->addWidget( m_postercheck );
    l0->addWidget( dummy, 1 );
    TQGridLayout *l1 = new TQGridLayout( dummy, 8, 3, 0, 5 );
    l1->addWidget( posterlab, 0, 0 );
    l1->addWidget( m_postersize, 0, 1 );
    l1->addWidget( printlab, 1, 0 );
    l1->addWidget( m_printsize, 1, 1 );
    l1->addWidget( medialab, 2, 0 );
    l1->addWidget( m_mediasize, 2, 1 );
    l1->addMultiCellWidget( m_preview, 4, 4, 0, 2 );
    l1->addMultiCellWidget( m_cutmargin, 6, 6, 0, 2 );
    l1->addMultiCellWidget( m_lockbtn, 0, 1, 2, 2 );
    TQHBoxLayout *l2 = new TQHBoxLayout( 0, 0, 5 );
    l1->addMultiCellLayout( l2, 7, 7, 0, 2 );
    l2->addWidget( selectionlab );
    l2->addWidget( m_selection );
    l1->setColStretch( 1, 1 );
    l1->setRowStretch( 4, 1 );
    l1->addRowSpacing( 3, 10 );
    l1->addRowSpacing( 5, 10 );
}
 
KPPosterPage::~KPPosterPage()
{
}
 
void KPPosterPage::setOptions( const TQMap<TQString,TQString>& opts )
{
    TQString ps = opts[ "PageSize" ];
    if ( ps.isEmpty() && !opts[ "kde-pagesize" ].isEmpty() )
    {
        ps = pageSizeToPageName( ( KPrinter::PageSize )opts[ "kde-pagesize" ].toInt() );
        if ( ps.isEmpty() )
            ps = opts[ "_kde-poster-media" ];
    }
    if ( ps.isEmpty() )
        m_mediasize->setText( i18n( "Unknown" ) );
    else
        m_mediasize->setText( ps );
    m_preview->setMediaSize( ps );
 
    if ( opts[ "_kde-filters" ].find( "poster" ) != -1 )
    {
        m_postercheck->setChecked( true );
        ps = opts[ "_kde-poster-size" ];
        TQString prtsize = opts[ "kde-printsize" ];
        if ( !ps.isEmpty() )
        {
            m_postersize->setCurrentItem( findIndex( pageNameToPageSize( ps ) ) );
            m_lockbtn->setOn( !prtsize.isEmpty() && 
                    page_sizes[ m_postersize->currentItem() ].ID == prtsize.toInt() );
            if ( !m_lockbtn->isOn() )
                m_printsize->setCurrentItem( findIndex( prtsize.toInt() ) );
            slotPosterSizeChanged( m_postersize->currentItem() );
        }
        if ( !opts[ "_kde-poster-cut" ].isEmpty() )
            m_cutmargin->setValue( opts[ "_kde-poster-cut" ].toInt() );
        m_selection->setText( opts[ "_kde-poster-select" ] );
    }
    else
        m_postercheck->setChecked( false );
}
 
void KPPosterPage::getOptions( TQMap<TQString,TQString>& opts, bool )
{
    TQStringList o = TQStringList::split( ",", opts[ "_kde-filters" ], false );
    if ( !m_postercheck->isChecked() )
    {
        o.remove( "poster" );
        opts[ "_kde-filters" ] = o.join( "," );
        opts.remove( "_kde-poster-media" );
        opts.remove( "_kde-poster-size" );
        opts.remove( "_kde-poster-cut" );
        opts.remove( "kde-printsize" );
        opts.remove( "_kde-poster-select" );
    }
    else
    {
        if ( !o.contains( "poster" ) )
            o.append( "poster" );
        opts[ "_kde-filters" ] = o.join( "," );
        opts[ "_kde-poster-media" ] = m_mediasize->text();
        opts[ "_kde-poster-size" ] = pageSizeToPageName( ( KPrinter::PageSize )page_sizes[ m_postersize->currentItem() ].ID );
        opts[ "kde-printsize" ] = TQString::number( page_sizes[ m_printsize->currentItem() ].ID );
        opts[ "_kde-poster-cut" ] = TQString::number( m_cutmargin->value() );
        opts[ "_kde-poster-select" ] = m_selection->text().stripWhiteSpace();
    }
}
 
bool KPPosterPage::isValid()
{
    return true;
}
 
void KPPosterPage::slotPosterSizeChanged( int value )
{
    int ID = page_sizes[ m_postersize->currentItem() ].ID;
    m_preview->setPosterSize( ID );
    if ( m_lockbtn->isOn() )
        m_printsize->setCurrentItem( value );
}
 
void KPPosterPage::slotMarginChanged( int value )
{
    m_preview->setCutMargin( value );
}
 
void KPPosterPage::slotLockToggled( bool on )
{
    m_lockbtn->setPixmap( SmallIcon( on ? "encrypted" : "decrypted" ) );
    if ( on )
        m_printsize->setCurrentItem( m_postersize->currentItem() );
}
 
#include "kpposterpage.moc"