void* PagedFreeStore::allocate ()
{
Page* page = m_hot->fresh->pop_front ();
if (!page)
{
#if HARD_LIMIT
const bool exhausted = m_newPagesLeft.release ();
if (exhausted)
Throw (Error().fail (__FILE__, __LINE__,
TRANS("the limit of memory allocations was reached")));
#endif
void* storage = ::malloc (m_pageBytes);
if (!storage)
Throw (Error().fail (__FILE__, __LINE__,
TRANS("a memory allocation failed")));
page = new (storage) Page (this);
#if LOG_GC
m_total.addref ();
#endif
}
#if LOG_GC
m_used.addref ();
#endif
return fromPage (page);
}
bool
QPrinter::prepare(PMPrintSettings *s)
{
if (!psession && PMCreateSession(&psession) != noErr)
return FALSE;
if (*s == kPMNoPrintSettings) {
if (PMCreatePrintSettings(s) != noErr)
return FALSE;
if (PMSessionDefaultPrintSettings(psession, *s) != noErr)
return FALSE;
} else {
if (PMSessionValidatePrintSettings(psession, *s, kPMDontWantBoolean) != noErr)
return FALSE;
}
if (minPage() != 0 || maxPage() != 0)
PMSetPageRange(*s, minPage(), maxPage());
if (d->printRange != AllPages) {
PMSetFirstPage(*s, fromPage(), TRUE);
PMSetLastPage(*s, toPage(), TRUE);
}
PMSetColorMode(*s, colorMode() == GrayScale ? kPMGray : kPMColor);
PMSetCopies(*s, numCopies(), TRUE);
if (outputToFile()) {
CFStringRef cfstring = qstring2cfstring(outputFileName());
CFURLRef outFile = CFURLCreateWithFileSystemPath(kCFAllocatorSystemDefault, cfstring,
kCFURLPOSIXPathStyle, false);
PMSessionSetDestination(psession, *s, kPMDestinationFile, kPMDocumentFormatPDF, outFile);
CFRelease(outFile);
CFRelease(cfstring);
}
QString printName = printerName();
if (!printName.isEmpty()) {
CFStringRef pname = qstring2cfstring(printName);
PMSessionSetCurrentPrinter(psession, pname);
CFRelease(pname);
}
return TRUE;
}
// Print a range of lines to a printer.
int QsciPrinter::printRange(QsciScintillaBase *qsb, int from, int to)
{
// Sanity check.
if (!qsb)
return false;
// Setup the printing area.
QRect def_area;
def_area.setX(0);
def_area.setY(0);
QPaintDeviceMetrics metrics(this);
def_area.setWidth(metrics.width());
def_area.setHeight(metrics.height());
// Get the page range.
int pgFrom, pgTo;
pgFrom = fromPage();
pgTo = toPage();
// Find the position range.
long startPos, endPos;
endPos = qsb->SendScintilla(QsciScintillaBase::SCI_GETLENGTH);
startPos = (from > 0 ? qsb -> SendScintilla(QsciScintillaBase::SCI_POSITIONFROMLINE,from) : 0);
if (to >= 0)
{
long toPos = qsb -> SendScintilla(QsciScintillaBase::SCI_POSITIONFROMLINE,to + 1);
if (endPos > toPos)
endPos = toPos;
}
if (startPos >= endPos)
return false;
QPainter painter(this);
bool reverse = (pageOrder() == LastPageFirst);
bool needNewPage = false;
qsb -> SendScintilla(QsciScintillaBase::SCI_SETPRINTMAGNIFICATION,mag);
qsb -> SendScintilla(QsciScintillaBase::SCI_SETPRINTWRAPMODE,wrap);
for (int i = 1; i <= numCopies(); ++i)
{
// If we are printing in reverse page order then remember the start
// position of each page.
QValueStack<long> pageStarts;
int currPage = 1;
long pos = startPos;
while (pos < endPos)
{
// See if we have finished the requested page range.
if (pgTo > 0 && pgTo < currPage)
break;
// See if we are going to render this page, or just see how much
// would fit onto it.
bool render = false;
if (pgFrom == 0 || pgFrom <= currPage)
{
if (reverse)
pageStarts.push(pos);
else
{
render = true;
if (needNewPage)
{
if (!newPage())
return false;
}
else
needNewPage = true;
}
}
QRect area = def_area;
formatPage(painter,render,area,currPage);
pos = qsb -> SendScintilla(QsciScintillaBase::SCI_FORMATRANGE,render,&painter,area,pos,endPos);
++currPage;
}
// All done if we are printing in normal page order.
if (!reverse)
continue;
// Now go through each page on the stack and really print it.
while (!pageStarts.isEmpty())
{
--currPage;
long ePos = pos;
pos = pageStarts.pop();
if (needNewPage)
{
if (!newPage())
return false;
}
else
needNewPage = true;
QRect area = def_area;
formatPage(painter,true,area,currPage);
qsb->SendScintilla(QsciScintillaBase::SCI_FORMATRANGE,true,&painter,area,pos,ePos);
}
}
return true;
}
int QPrintDialog::exec()
{
Q_D(QPrintDialog);
QMacBlockingFunction func;
Boolean result;
// If someone is reusing a QPrinter object, the end released all our old
// information. In this case, we must reinitialize.
if (d->ep->session == 0)
d->ep->initialize();
// Carbon's documentation lies.
// It seems the only way that Carbon lets you use all is if the minimum
// for the page range is 1. This _kind of_ makes sense if you think about
// it. However, calling _q_setFirstPage or _q_setLastPage always enforces the range.
PMSetPageRange(d->ep->settings, minPage(), maxPage());
if (printRange() == PageRange) {
PMSetFirstPage(d->ep->settings, fromPage(), false);
PMSetLastPage(d->ep->settings, toPage(), false);
}
{ //simulate modality
QWidget modal_widg(0, Qt::Window);
modal_widg.setObjectName(QLatin1String(__FILE__ "__modal_dlg"));
QApplicationPrivate::enterModal(&modal_widg);
PMSessionPrintDialog(d->ep->session, d->ep->settings, d->ep->format, &result);
QApplicationPrivate::leaveModal(&modal_widg);
}
if (result) {
UInt32 frompage, topage;
PMGetFirstPage(d->ep->settings, &frompage);
PMGetLastPage(d->ep->settings, &topage);
topage = qMin(UInt32(INT_MAX), topage);
setFromTo(frompage, topage);
// OK, I need to map these values back let's see
// If from is 1 and to is INT_MAX, then print it all
// (Apologies to the folks with more than INT_MAX pages)
// ...that's a joke.
if (fromPage() == 1 && toPage() == INT_MAX) {
setPrintRange(AllPages);
setFromTo(0,0);
} else {
setPrintRange(PageRange); // In a way a lie, but it shouldn't hurt.
// Carbon hands us back a very large number here even for ALL, set it to max
// in that case to follow the behavior of the other print dialogs.
if (maxPage() < toPage())
setFromTo(fromPage(), maxPage());
}
// Keep us in sync with file output
PMDestinationType dest;
PMSessionGetDestinationType(d->ep->session, d->ep->settings, &dest);
if (dest == kPMDestinationFile) {
QCFType<CFURLRef> file;
PMSessionCopyDestinationLocation(d->ep->session, d->ep->settings, &file);
UInt8 localFile[2048]; // Assuming there's a POSIX file system here.
CFURLGetFileSystemRepresentation(file, true, localFile, sizeof(localFile));
d->ep->outputFilename
= QString::fromUtf8(reinterpret_cast<const char *>(localFile));
}
}
return result;
}
