knotes

knoteprinter.cpp

00001 #include "knoteprinter.h"
00002 
00003 #include <QPainter>
00004 #include <QTextDocument>
00005 #include <QTextDocumentFragment>
00006 #include <QAbstractTextDocumentLayout>
00007 #include <QtGui/QPrinter>
00008 #include <QtGui/QPrintDialog>
00009 
00010 #include <kcal/journal.h>
00011 
00012 #include <klocale.h>
00013 
00014 
00015 KNotePrinter::KNotePrinter()
00016 {
00017 }
00018 
00019 void KNotePrinter::setDefaultFont( const QFont &font )
00020 {
00021   m_defaultFont = font;
00022 }
00023 
00024 QFont KNotePrinter::defaultFont() const
00025 {
00026   return m_defaultFont;
00027 }
00028 
00029 void KNotePrinter::doPrint( const QString &htmlText,
00030                             const QString &dialogCaption ) const
00031 {
00032   QPrinter printer( QPrinter::HighResolution );
00033   //printer.setFullPage( true );  //disabled, causes asymmetric margins
00034   QPrintDialog printDialog( &printer, 0 );
00035   printDialog.setWindowTitle( dialogCaption );
00036   if ( !printDialog.exec() ) {
00037     return;
00038   }
00039   
00040   const int margin = 30; //pt     //set to 40 when setFullPage() works again
00041   int marginX = margin * printer.logicalDpiX() / 72;
00042   int marginY = margin * printer.logicalDpiY() / 72;
00043   
00044   QRect typeArea( marginX, marginY,
00045                   printer.width() - marginX * 2,
00046                   printer.height() - marginY * 2 );
00047   
00048   QTextDocument textDoc;
00049   textDoc.setHtml( htmlText );
00050   textDoc.documentLayout()->setPaintDevice( &printer );
00051   textDoc.setPageSize( typeArea.size() );
00052   textDoc.setDefaultFont( m_defaultFont );
00053   
00054   QPainter painter( &printer );
00055   QRect clip( typeArea );
00056   painter.translate( marginX, marginY );
00057   clip.translate( -marginX, -marginY );
00058   
00059   for ( int page = 1; page <= textDoc.pageCount(); page++ ) {
00060     textDoc.drawContents( &painter, clip );
00061     clip.translate( 0, typeArea.height() );
00062     painter.translate( 0, -typeArea.height() );
00063     
00064     painter.setFont( m_defaultFont );
00065     painter.drawText(
00066       clip.right() - painter.fontMetrics().width( QString::number( page ) ),
00067       clip.bottom() + painter.fontMetrics().ascent() + 5,
00068       QString::number( page ) );
00069     
00070     if ( page < textDoc.pageCount() ) {
00071       printer.newPage();
00072     }
00073   }
00074 }
00075 
00076 void KNotePrinter::printNote( const QString &name,
00077                               const QString &htmlText ) const
00078 {
00079   QString dialogCaption = i18n( "Print %1", name );
00080   doPrint( htmlText, dialogCaption );
00081 }
00082 
00083 void KNotePrinter::printNotes( const QList<KCal::Journal *>& journals ) const
00084 {
00085   if ( journals.isEmpty() ) {
00086     return;
00087   }
00088   
00089   QString htmlText;
00090   
00091   QListIterator<KCal::Journal *> it( journals );
00092   while ( it.hasNext() ) {
00093     KCal::Journal *j = it.next();
00094     htmlText += "<h2>" + j->summary() + "</h2>";
00095     
00096     //### ensureHtmlText() is a hack.
00097     //Possible solution:
00098     //port most parts of KNotes to HTML (aka rich) text - it is easy enough to
00099     //pass plaintext as rich text (Qt:convertFromPlainText()) and the way back
00100     //should be doable, too.
00101     //Gold star solution: cleanly separate the two types - just never
00102     //pass a chunk of text without explicit type. Probably not worth it.
00103     
00104     htmlText += ensureHtmlText( j->description() );
00105     
00106     if ( it.hasNext() ) {
00107       htmlText += "<hr />";
00108     }
00109   }
00110   
00111   QString dialogCaption = i18np( "Print Note", "Print %1 notes",
00112                                  journals.count() );
00113   doPrint( htmlText, dialogCaption );
00114   
00115 #if 0
00116   //### This should work more reliably but it doesn't work at all.
00117   
00118   QTextDocument ret;
00119   ret.setDefaultFont( m_defaultFont );
00120   QTextCursor retC( &ret );
00121   QTextDocument separator;
00122   separator.setHtml( "<html><body><br /><hr /><br /></body></html>" );
00123   QTextDocument header;
00124   QTextDocument note;
00125   
00126   QListIterator<KCal::Journal *> it( journals );
00127   while ( it.hasNext() ) {
00128     KCal::Journal *j = it.next();
00129     header.setHtml( "<html><body><h2>" + j->summary() + "</h2></body></html>" );
00130     retC.insertFragment( QTextDocumentFragment( &header ) );
00131     
00132     note.setHtml( ensureHtmlText( j->description() ) );
00133     retC.insertFragment( QTextDocumentFragment( &note ) );
00134     
00135     if ( it.hasNext() ) {
00136       retC.insertFragment( QTextDocumentFragment( &separator ) );
00137     }
00138   }
00139   
00140   QString dialogCaption = i18np( "Print Note", "Print %1 notes",
00141                                  journals.count() );
00142   doPrint( ret.toHtml(), dialogCaption );
00143 #endif
00144 }
00145 
00146 inline QString KNotePrinter::ensureHtmlText( const QString &maybeRichText )
00147                                              const
00148 {
00149   if ( Qt::mightBeRichText( maybeRichText ) ) {
00150     return maybeRichText; //... now probablyRichText
00151   } else {
00152     return Qt::convertFromPlainText( maybeRichText );
00153   }
00154 }
00155
knotes

knoteprinter.cpp

knotes

kdepim
