int Printer::setPrintRange(lua_State * L) // ( PrintRange range )
{
QPrinter* lhs = ValueBinding<MyQPrinter>::check( L, 1 );
QPrinter::PrintRange f=(QPrinter::PrintRange)Util::toInt( L, 2 );
lhs->setPrintRange( f );
return 0;
}
bool KatePrinter::print (KateDocument *doc)
{
QPrinter printer;
readSettings(printer);
// docname is now always there, including the right Untitled name
printer.setDocName(doc->documentName());
KatePrintTextSettings *kpts = new KatePrintTextSettings;
KatePrintHeaderFooter *kphf = new KatePrintHeaderFooter;
KatePrintLayout *kpl = new KatePrintLayout;
QList<QWidget*> tabs;
tabs << kpts;
tabs << kphf;
tabs << kpl;
QWidget *parentWidget=doc->widget();
if ( !parentWidget )
parentWidget=QApplication::activeWindow();
QScopedPointer<QPrintDialog> printDialog(KdePrint::createPrintDialog(&printer, KdePrint::SystemSelectsPages, tabs, parentWidget));
if ( doc->activeView()->selection() ) {
printer.setPrintRange(QPrinter::Selection);
printDialog->setOption(QAbstractPrintDialog::PrintSelection, true);
}
if ( printDialog->exec() )
{
writeSettings(printer);
KateRenderer renderer(doc, doc->activeKateView());
renderer.config()->setSchema (kpl->colorScheme());
renderer.setPrinterFriendly(true);
QPainter paint( &printer );
/*
* We work in tree cycles:
* 1) initialize variables and retrieve print settings
* 2) prepare data according to those settings
* 3) draw to the printer
*/
uint pdmWidth = printer.width();
uint pdmHeight = printer.height();
int y = 0;
uint xstart = 0; // beginning point for painting lines
uint lineCount = 0;
uint maxWidth = pdmWidth;
int headerWidth = pdmWidth;
int startCol = 0;
int endCol = 0;
bool pageStarted = true;
int remainder = 0; // remaining sublines from a wrapped line (for the top of a new page)
// Text Settings Page
bool selectionOnly = (printDialog->printRange() == QAbstractPrintDialog::Selection);
bool useGuide = kpts->printGuide();
bool printLineNumbers = kpts->printLineNumbers();
uint lineNumberWidth( 0 );
// Header/Footer Page
QFont headerFont(kphf->font()); // used for header/footer
bool useHeader = kphf->useHeader();
QColor headerBgColor(kphf->headerBackground());
QColor headerFgColor(kphf->headerForeground());
uint headerHeight( 0 ); // further init only if needed
QStringList headerTagList; // do
bool headerDrawBg = false; // do
bool useFooter = kphf->useFooter();
QColor footerBgColor(kphf->footerBackground());
QColor footerFgColor(kphf->footerForeground());
uint footerHeight( 0 ); // further init only if needed
QStringList footerTagList; // do
bool footerDrawBg = false; // do
// Layout Page
renderer.config()->setSchema( kpl->colorScheme() );
bool useBackground = kpl->useBackground();
bool useBox = kpl->useBox();
int boxWidth(kpl->boxWidth());
QColor boxColor(kpl->boxColor());
int innerMargin = useBox ? kpl->boxMargin() : 6;
// Post initialization
int maxHeight = (useBox ? pdmHeight-innerMargin : pdmHeight);
uint currentPage( 1 );
uint lastline = doc->lastLine(); // necessary to print selection only
uint firstline( 0 );
const int fontHeight = renderer.fontHeight();
KTextEditor::Range selectionRange;
/*
* Now on for preparations...
* during preparations, variable names starting with a "_" means
* those variables are local to the enclosing block.
*/
{
if ( selectionOnly )
{
// set a line range from the first selected line to the last
selectionRange = doc->activeView()->selectionRange();
firstline = selectionRange.start().line();
lastline = selectionRange.end().line();
lineCount = firstline;
}
if ( printLineNumbers )
{
// figure out the horiizontal space required
QString s( QString("%1 ").arg( doc->lines() ) );
s.fill('5', -1); // some non-fixed fonts haven't equally wide numbers
// FIXME calculate which is actually the widest...
lineNumberWidth = renderer.currentFontMetrics().width( s );
// a small space between the line numbers and the text
int _adj = renderer.currentFontMetrics().width( "5" );
// adjust available width and set horizontal start point for data
maxWidth -= (lineNumberWidth + _adj);
xstart += lineNumberWidth + _adj;
}
if ( useHeader || useFooter )
{
// Set up a tag map
// This retrieves all tags, ued or not, but
// none of theese operations should be expensive,
// and searcing each tag in the format strings is avoided.
QDateTime dt = QDateTime::currentDateTime();
QMap<QString,QString> tags;
KUser u (KUser::UseRealUserID);
tags["u"] = u.loginName();
tags["d"] = KGlobal::locale()->formatDateTime(dt, KLocale::ShortDate);
tags["D"] = KGlobal::locale()->formatDateTime(dt, KLocale::LongDate);
tags["h"] = KGlobal::locale()->formatTime(dt.time(), false);
tags["y"] = KGlobal::locale()->formatDate(dt.date(), KLocale::ShortDate);
tags["Y"] = KGlobal::locale()->formatDate(dt.date(), KLocale::LongDate);
tags["f"] = doc->url().fileName();
tags["U"] = doc->url().prettyUrl();
if ( selectionOnly )
{
QString s( i18n("(Selection of) ") );
tags["f"].prepend( s );
tags["U"].prepend( s );
}
QRegExp reTags( "%([dDfUhuyY])" ); // TODO tjeck for "%%<TAG>"
if (useHeader)
{
headerDrawBg = kphf->useHeaderBackground();
headerHeight = QFontMetrics( headerFont ).height();
if ( useBox || headerDrawBg )
headerHeight += innerMargin * 2;
else
headerHeight += 1 + QFontMetrics( headerFont ).leading();
headerTagList = kphf->headerFormat();
QMutableStringListIterator it(headerTagList);
while ( it.hasNext() ) {
QString tag = it.next();
int pos = reTags.indexIn( tag );
QString rep;
while ( pos > -1 )
{
rep = tags[reTags.cap( 1 )];
tag.replace( (uint)pos, 2, rep );
pos += rep.length();
pos = reTags.indexIn( tag, pos );
}
it.setValue( tag );
}
if (!headerBgColor.isValid())
headerBgColor = Qt::lightGray;
if (!headerFgColor.isValid())
headerFgColor = Qt::black;
}
if (useFooter)
{
footerDrawBg = kphf->useFooterBackground();
footerHeight = QFontMetrics( headerFont ).height();
if ( useBox || footerDrawBg )
footerHeight += 2*innerMargin;
else
footerHeight += 1; // line only
footerTagList = kphf->footerFormat();
QMutableStringListIterator it(footerTagList);
while ( it.hasNext() ) {
QString tag = it.next();
int pos = reTags.indexIn( tag );
QString rep;
while ( pos > -1 )
{
rep = tags[reTags.cap( 1 )];
tag.replace( (uint)pos, 2, rep );
pos += rep.length();
pos = reTags.indexIn( tag, pos );
}
it.setValue( tag );
}
if (!footerBgColor.isValid())
footerBgColor = Qt::lightGray;
if (!footerFgColor.isValid())
footerFgColor = Qt::black;
// adjust maxheight, so we can know when/where to print footer
maxHeight -= footerHeight;
}
} // if ( useHeader || useFooter )
if ( useBackground )
{
if ( ! useBox )
{
xstart += innerMargin;
maxWidth -= innerMargin * 2;
}
}
if ( useBox )
{
if (!boxColor.isValid())
boxColor = Qt::black;
if (boxWidth < 1) // shouldn't be pssible no more!
boxWidth = 1;
// set maxwidth to something sensible
maxWidth -= ( ( boxWidth + innerMargin ) * 2 );
xstart += boxWidth + innerMargin;
// maxheight too..
maxHeight -= boxWidth;
}
else
boxWidth = 0;
// now that we know the vertical amount of space needed,
// it is possible to calculate the total number of pages
// if needed, that is if any header/footer tag contains "%P".
if ( !headerTagList.filter("%P").isEmpty() || !footerTagList.filter("%P").isEmpty() )
{
kDebug(13020)<<"'%P' found! calculating number of pages...";
int pageHeight = maxHeight;
if ( useHeader )
pageHeight -= ( headerHeight + innerMargin );
if ( useFooter )
pageHeight -= innerMargin;
const int linesPerPage = pageHeight / fontHeight;
// kDebug() << "Lines per page:" << linesPerPage;
// calculate total layouted lines in the document
int totalLines = 0;
// TODO: right now ignores selection printing
for (int i = firstline; i <= lastline; ++i) {
KateLineLayoutPtr rangeptr(new KateLineLayout(doc));
rangeptr->setLine(i);
renderer.layoutLine(rangeptr, (int)maxWidth, false);
totalLines += rangeptr->viewLineCount();
}
int totalPages = (totalLines / linesPerPage)
+ ((totalLines % linesPerPage) > 0 ? 1 : 0);
// kDebug() << "_______ pages:" << (totalLines / linesPerPage);
// kDebug() << "________ rest:" << (totalLines % linesPerPage);
// TODO: add space for guide if required
// if ( useGuide )
// _lt += (guideHeight + (fontHeight /2)) / fontHeight;
// substitute both tag lists
QString re("%P");
QStringList::Iterator it;
for ( it=headerTagList.begin(); it!=headerTagList.end(); ++it )
(*it).replace( re, QString( "%1" ).arg( totalPages ) );
for ( it=footerTagList.begin(); it!=footerTagList.end(); ++it )
(*it).replace( re, QString( "%1" ).arg( totalPages ) );
}
} // end prepare block
/*
On to draw something :-)
*/
while ( lineCount <= lastline )
{
startCol = 0;
endCol = 0;
if ( y + fontHeight > maxHeight )
{
kDebug(13020)<<"Starting new page,"<<lineCount<<"lines up to now.";
printer.newPage();
paint.resetTransform();
currentPage++;
pageStarted = true;
y=0;
}
if ( pageStarted )
{
if ( useHeader )
{
paint.setPen(headerFgColor);
paint.setFont(headerFont);
if ( headerDrawBg )
paint.fillRect(0, 0, headerWidth, headerHeight, headerBgColor);
if (headerTagList.count() == 3)
{
int valign = ( (useBox||headerDrawBg||useBackground) ?
Qt::AlignVCenter : Qt::AlignTop );
int align = valign|Qt::AlignLeft;
int marg = ( useBox || headerDrawBg ) ? innerMargin : 0;
if ( useBox ) marg += boxWidth;
QString s;
for (int i=0; i<3; i++)
{
s = headerTagList[i];
if (s.indexOf("%p") != -1) s.replace("%p", QString::number(currentPage));
paint.drawText(marg, 0, headerWidth-(marg*2), headerHeight, align, s);
align = valign|(i == 0 ? Qt::AlignHCenter : Qt::AlignRight);
}
}
if ( ! ( headerDrawBg || useBox || useBackground ) ) // draw a 1 px (!?) line to separate header from contents
{
paint.drawLine( 0, headerHeight-1, headerWidth, headerHeight-1 );
//y += 1; now included in headerHeight
}
y += headerHeight + innerMargin;
}
if ( useFooter )
{
paint.setPen(footerFgColor);
if ( ! ( footerDrawBg || useBox || useBackground ) ) // draw a 1 px (!?) line to separate footer from contents
paint.drawLine( 0, maxHeight + innerMargin - 1, headerWidth, maxHeight + innerMargin - 1 );
if ( footerDrawBg )
paint.fillRect(0, maxHeight+innerMargin+boxWidth, headerWidth, footerHeight, footerBgColor);
if (footerTagList.count() == 3)
{
int align = Qt::AlignVCenter|Qt::AlignLeft;
int marg = ( useBox || footerDrawBg ) ? innerMargin : 0;
if ( useBox ) marg += boxWidth;
QString s;
for (int i=0; i<3; i++)
{
s = footerTagList[i];
if (s.indexOf("%p") != -1) s.replace("%p", QString::number(currentPage));
paint.drawText(marg, maxHeight+innerMargin, headerWidth-(marg*2), footerHeight, align, s);
align = Qt::AlignVCenter|(i == 0 ? Qt::AlignHCenter : Qt::AlignRight);
}
}
} // done footer
if ( useBackground )
{
// If we have a box, or the header/footer has backgrounds, we want to paint
// to the border of those. Otherwise just the contents area.
int _y = y, _h = maxHeight - y;
if ( useBox )
{
_y -= innerMargin;
_h += 2 * innerMargin;
}
else
{
if ( headerDrawBg )
{
_y -= innerMargin;
_h += innerMargin;
}
if ( footerDrawBg )
{
_h += innerMargin;
}
}
paint.fillRect( 0, _y, pdmWidth, _h, renderer.config()->backgroundColor());
}
if ( useBox )
{
paint.setPen(QPen(boxColor, boxWidth));
paint.drawRect(0, 0, pdmWidth, pdmHeight);
if (useHeader)
paint.drawLine(0, headerHeight, headerWidth, headerHeight);
else
y += innerMargin;
if ( useFooter ) // drawline is not trustable, grr.
paint.fillRect( 0, maxHeight+innerMargin, headerWidth, boxWidth, boxColor );
}
if ( useGuide && currentPage == 1 )
{ // FIXME - this may span more pages...
// draw a box unless we have boxes, in which case we end with a box line
int _ystart = y;
QString _hlName = doc->highlight()->name();
QList<KateExtendedAttribute::Ptr> _attributes; // list of highlight attributes for the legend
doc->highlight()->getKateExtendedAttributeList(kpl->colorScheme(), _attributes);
KateAttributeList _defaultAttributes;
KateHlManager::self()->getDefaults ( renderer.config()->schema(), _defaultAttributes );
QColor _defaultPen = _defaultAttributes.at(0)->foreground().color();
paint.setPen(_defaultPen);
int _marg = 0;
if ( useBox )
_marg += (2*boxWidth) + (2*innerMargin);
else
{
if ( useBackground )
_marg += 2*innerMargin;
_marg += 1;
y += 1 + innerMargin;
}
// draw a title string
QFont _titleFont = renderer.config()->font();
_titleFont.setBold(true);
paint.setFont( _titleFont );
QRect _r;
paint.drawText( QRect(_marg, y, pdmWidth-(2*_marg), maxHeight - y),
Qt::AlignTop|Qt::AlignHCenter,
i18n("Typographical Conventions for %1", _hlName ), &_r );
int _w = pdmWidth - (_marg*2) - (innerMargin*2);
int _x = _marg + innerMargin;
y += _r.height() + innerMargin;
paint.drawLine( _x, y, _x + _w, y );
y += 1 + innerMargin;
int _widest( 0 );
foreach (const KateExtendedAttribute::Ptr &attribute, _attributes)
_widest = qMax(QFontMetrics(attribute->font()).width(attribute->name().section(':',1,1)), _widest);
int _guideCols = _w/( _widest + innerMargin );
// draw attrib names using their styles
int _cw = _w/_guideCols;
int _i(0);
_titleFont.setUnderline(true);
QString _currentHlName;
foreach (const KateExtendedAttribute::Ptr &attribute, _attributes)
{
QString _hl = attribute->name().section(':',0,0);
QString _name = attribute->name().section(':',1,1);
if ( _hl != _hlName && _hl != _currentHlName ) {
_currentHlName = _hl;
if ( _i%_guideCols )
y += fontHeight;
y += innerMargin;
paint.setFont(_titleFont);
paint.setPen(_defaultPen);
paint.drawText( _x, y, _w, fontHeight, Qt::AlignTop, _hl + ' ' + i18n("text") );
y += fontHeight;
_i = 0;
}
KTextEditor::Attribute _attr = *_defaultAttributes[attribute->defaultStyleIndex()];
_attr += *attribute;
paint.setPen( _attr.foreground().color() );
paint.setFont( _attr.font() );
if (_attr.hasProperty(QTextFormat::BackgroundBrush) ) {
QRect _rect = QFontMetrics(_attr.font()).boundingRect(_name);
_rect.moveTo(_x + ((_i%_guideCols)*_cw), y);
paint.fillRect(_rect, _attr.background() );
}
paint.drawText(( _x + ((_i%_guideCols)*_cw)), y, _cw, fontHeight, Qt::AlignTop, _name );
_i++;
if ( _i && ! ( _i%_guideCols ) )
y += fontHeight;
}
if ( _i%_guideCols )
y += fontHeight;// last row not full
// draw a box around the legend
paint.setPen ( _defaultPen );
if ( useBox )
paint.fillRect( 0, y+innerMargin, headerWidth, boxWidth, boxColor );
else
{
_marg -=1;
paint.drawRect( _marg, _ystart, pdmWidth-(2*_marg), y-_ystart+innerMargin );
}
y += ( useBox ? boxWidth : 1 ) + (innerMargin*2);
} // useGuide
paint.translate(xstart,y);
pageStarted = false;
} // pageStarted; move on to contents:)
void QPrinterProto::setPrintRange(QPrinter::PrintRange range)
{
QPrinter *item = qscriptvalue_cast<QPrinter*>(thisObject());
if (item)
item->setPrintRange(range);
}