QCupsSupport - Remove obsolete CUPS code
All code directly using CUPS is now in the QPA plugin and QCupsSupport is no longer needed, other than the utilities for setting CUPS options which do not need direct access to CUPS. Delete all the obsolete code. Change-Id: I561ad8af2415a9b745e2d35fd0624a5acdf27648 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
This commit is contained in:
John Layt
The Qt Project
parent
aa76fcc301
commit
69e9b12001
@ -41,322 +41,12 @@
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#include "qcups_p.h"
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#include <qdebug.h>
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#include "qprintengine.h"
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#ifndef QT_NO_CUPS
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#ifndef QT_LINUXBASE // LSB merges everything into cups.h
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# include <cups/language.h>
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#endif
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#include <qtextcodec.h>
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#include <algorithm>
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QT_BEGIN_NAMESPACE
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extern double qt_multiplierForUnit(QPrinter::Unit unit, int resolution);
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typedef int (*CupsGetDests)(cups_dest_t **dests);
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typedef void (*CupsFreeDests)(int num_dests, cups_dest_t *dests);
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typedef const char* (*CupsGetPPD)(const char *printer);
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typedef int (*CupsMarkOptions)(ppd_file_t *ppd, int num_options, cups_option_t *options);
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typedef ppd_file_t* (*PPDOpenFile)(const char *filename);
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typedef void (*PPDMarkDefaults)(ppd_file_t *ppd);
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typedef int (*PPDMarkOption)(ppd_file_t *ppd, const char *keyword, const char *option);
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typedef void (*PPDClose)(ppd_file_t *ppd);
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typedef int (*PPDMarkOption)(ppd_file_t *ppd, const char *keyword, const char *option);
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typedef void (*CupsFreeOptions)(int num_options, cups_option_t *options);
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typedef void (*CupsSetDests)(int num_dests, cups_dest_t *dests);
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typedef cups_lang_t* (*CupsLangGet)(const char *language);
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typedef const char* (*CupsLangEncoding)(cups_lang_t *language);
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typedef int (*CupsAddOption)(const char *name, const char *value, int num_options, cups_option_t **options);
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typedef int (*CupsTempFd)(char *name, int len);
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typedef int (*CupsPrintFile)(const char * name, const char * filename, const char * title, int num_options, cups_option_t * options);
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static bool cupsLoaded = false;
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static int qt_cups_num_printers = 0;
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static CupsGetDests _cupsGetDests = 0;
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static CupsFreeDests _cupsFreeDests = 0;
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static CupsGetPPD _cupsGetPPD = 0;
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static PPDOpenFile _ppdOpenFile = 0;
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static PPDMarkDefaults _ppdMarkDefaults = 0;
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static PPDClose _ppdClose = 0;
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static CupsMarkOptions _cupsMarkOptions = 0;
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static PPDMarkOption _ppdMarkOption = 0;
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static CupsFreeOptions _cupsFreeOptions = 0;
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static CupsSetDests _cupsSetDests = 0;
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static CupsLangGet _cupsLangGet = 0;
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static CupsLangEncoding _cupsLangEncoding = 0;
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static CupsAddOption _cupsAddOption = 0;
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static CupsTempFd _cupsTempFd = 0;
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static CupsPrintFile _cupsPrintFile = 0;
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static void resolveCups()
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{
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QLibrary cupsLib(QLatin1String("cups"), 2);
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if(cupsLib.load()) {
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_cupsGetDests = (CupsGetDests) cupsLib.resolve("cupsGetDests");
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_cupsFreeDests = (CupsFreeDests) cupsLib.resolve("cupsFreeDests");
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_cupsGetPPD = (CupsGetPPD) cupsLib.resolve("cupsGetPPD");
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_cupsLangGet = (CupsLangGet) cupsLib.resolve("cupsLangGet");
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_cupsLangEncoding = (CupsLangEncoding) cupsLib.resolve("cupsLangEncoding");
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_ppdOpenFile = (PPDOpenFile) cupsLib.resolve("ppdOpenFile");
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_ppdMarkDefaults = (PPDMarkDefaults) cupsLib.resolve("ppdMarkDefaults");
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_ppdClose = (PPDClose) cupsLib.resolve("ppdClose");
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_cupsMarkOptions = (CupsMarkOptions) cupsLib.resolve("cupsMarkOptions");
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_ppdMarkOption = (PPDMarkOption) cupsLib.resolve("ppdMarkOption");
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_cupsFreeOptions = (CupsFreeOptions) cupsLib.resolve("cupsFreeOptions");
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_cupsSetDests = (CupsSetDests) cupsLib.resolve("cupsSetDests");
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_cupsAddOption = (CupsAddOption) cupsLib.resolve("cupsAddOption");
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_cupsTempFd = (CupsTempFd) cupsLib.resolve("cupsTempFd");
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_cupsPrintFile = (CupsPrintFile) cupsLib.resolve("cupsPrintFile");
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if (_cupsGetDests && _cupsFreeDests) {
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cups_dest_t *printers;
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int num_printers = _cupsGetDests(&printers);
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if (num_printers)
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_cupsFreeDests(num_printers, printers);
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qt_cups_num_printers = num_printers;
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}
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}
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cupsLoaded = true;
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}
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// ================ CUPS Support class ========================
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QCUPSSupport::QCUPSSupport()
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:
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prnCount(0),
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printers(0),
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page_sizes(0),
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currPrinterIndex(0),
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currPPD(0)
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{
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if (!cupsLoaded)
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resolveCups();
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// getting all available printers
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if (!isAvailable())
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return;
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qt_cups_num_printers = prnCount = _cupsGetDests(&printers);
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for (int i = 0; i < prnCount; ++i) {
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if (printers[i].is_default) {
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currPrinterIndex = i;
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break;
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}
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}
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if (prnCount > 0)
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setCurrentPrinter(currPrinterIndex);
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#ifndef QT_NO_TEXTCODEC
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cups_lang_t *cupsLang = _cupsLangGet(0);
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codec = QTextCodec::codecForName(_cupsLangEncoding(cupsLang));
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if (!codec)
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codec = QTextCodec::codecForLocale();
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#endif
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}
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QCUPSSupport::~QCUPSSupport()
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{
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if (currPPD)
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_ppdClose(currPPD);
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if (prnCount)
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_cupsFreeDests(prnCount, printers);
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}
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int QCUPSSupport::availablePrintersCount() const
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{
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return prnCount;
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}
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const cups_dest_t* QCUPSSupport::availablePrinters() const
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{
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return printers;
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}
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const ppd_file_t* QCUPSSupport::currentPPD() const
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{
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return currPPD;
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}
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const ppd_file_t* QCUPSSupport::setCurrentPrinter(int index)
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{
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Q_ASSERT(index >= 0 && index <= prnCount);
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if (index == prnCount)
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return 0;
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currPrinterIndex = index;
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if (currPPD)
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_ppdClose(currPPD);
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currPPD = 0;
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page_sizes = 0;
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const char *ppdFile = _cupsGetPPD(printers[index].name);
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if (!ppdFile)
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return 0;
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currPPD = _ppdOpenFile(ppdFile);
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unlink(ppdFile);
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// marking default options
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_ppdMarkDefaults(currPPD);
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// marking options explicitly set
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_cupsMarkOptions(currPPD, printers[currPrinterIndex].num_options, printers[currPrinterIndex].options);
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// getting pointer to page sizes
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page_sizes = ppdOption("PageSize");
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return currPPD;
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}
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const ppd_file_t* QCUPSSupport::setCurrentPrinter(const QString &printerName)
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{
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Q_FOREACH (const QCUPSSupport::Printer &printer, QCUPSSupport::availableUnixPrinters()) {
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if (printer.name == printerName) {
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return setCurrentPrinter(printer.cupsPrinterIndex);
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}
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}
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return 0;
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}
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int QCUPSSupport::currentPrinterIndex() const
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{
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return currPrinterIndex;
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}
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bool QCUPSSupport::isAvailable()
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{
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if(!cupsLoaded)
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resolveCups();
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return _cupsGetDests &&
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_cupsFreeDests &&
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_cupsGetPPD &&
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_ppdOpenFile &&
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_ppdMarkDefaults &&
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_ppdClose &&
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_cupsMarkOptions &&
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_ppdMarkOption &&
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_cupsFreeOptions &&
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_cupsSetDests &&
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_cupsLangGet &&
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_cupsLangEncoding &&
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_cupsAddOption &&
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(qt_cups_num_printers > 0);
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}
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const ppd_option_t* QCUPSSupport::ppdOption(const char *key) const
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{
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if (currPPD) {
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for (int gr = 0; gr < currPPD->num_groups; ++gr) {
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for (int opt = 0; opt < currPPD->groups[gr].num_options; ++opt) {
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if (qstrcmp(currPPD->groups[gr].options[opt].keyword, key) == 0)
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return &currPPD->groups[gr].options[opt];
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}
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}
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}
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return 0;
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}
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const cups_option_t* QCUPSSupport::printerOption(const QString &key) const
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{
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for (int i = 0; i < printers[currPrinterIndex].num_options; ++i) {
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if (QLatin1String(printers[currPrinterIndex].options[i].name) == key)
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return &printers[currPrinterIndex].options[i];
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}
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return 0;
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}
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const ppd_option_t* QCUPSSupport::pageSizes() const
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{
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return page_sizes;
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}
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int QCUPSSupport::markOption(const char* name, const char* value)
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{
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return _ppdMarkOption(currPPD, name, value);
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}
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void QCUPSSupport::saveOptions(QList<const ppd_option_t*> options, QList<const char*> markedOptions)
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{
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int oldOptionCount = printers[currPrinterIndex].num_options;
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cups_option_t* oldOptions = printers[currPrinterIndex].options;
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int newOptionCount = 0;
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cups_option_t* newOptions = 0;
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// copying old options that are not on the new list
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for (int i = 0; i < oldOptionCount; ++i) {
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bool contains = false;
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for (int j = 0; j < options.count(); ++j) {
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if (qstrcmp(options.at(j)->keyword, oldOptions[i].name) == 0) {
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contains = true;
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break;
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}
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}
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if (!contains) {
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newOptionCount = _cupsAddOption(oldOptions[i].name, oldOptions[i].value, newOptionCount, &newOptions);
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}
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}
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// we can release old option list
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_cupsFreeOptions(oldOptionCount, oldOptions);
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// adding marked options
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for (int i = 0; i < markedOptions.count(); ++i) {
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const char* name = markedOptions.at(i);
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++i;
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newOptionCount = _cupsAddOption(name, markedOptions.at(i), newOptionCount, &newOptions);
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}
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// placing the new option list
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printers[currPrinterIndex].num_options = newOptionCount;
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printers[currPrinterIndex].options = newOptions;
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// saving new default values
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_cupsSetDests(prnCount, printers);
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}
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QRect QCUPSSupport::paperRect(const char *choice) const
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{
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if (!currPPD)
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return QRect();
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for (int i = 0; i < currPPD->num_sizes; ++i) {
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if (qstrcmp(currPPD->sizes[i].name, choice) == 0)
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return QRect(0, 0, qRound(currPPD->sizes[i].width), qRound(currPPD->sizes[i].length));
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}
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return QRect();
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}
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QRect QCUPSSupport::pageRect(const char *choice) const
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{
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if (!currPPD)
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return QRect();
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for (int i = 0; i < currPPD->num_sizes; ++i) {
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if (qstrcmp(currPPD->sizes[i].name, choice) == 0)
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return QRect(qRound(currPPD->sizes[i].left),
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qRound(currPPD->sizes[i].length - currPPD->sizes[i].top),
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qRound(currPPD->sizes[i].right - currPPD->sizes[i].left),
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qRound(currPPD->sizes[i].top - currPPD->sizes[i].bottom));
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}
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return QRect();
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}
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QStringList QCUPSSupport::options() const
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{
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QStringList list;
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collectMarkedOptions(list);
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return list;
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}
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QStringList QCUPSSupport::cupsOptionsList(QPrinter *printer)
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{
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return printer->printEngine()->property(PPK_CupsOptions).toStringList();
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@ -544,175 +234,6 @@ void QCUPSSupport::setPageRange(QPrinter *printer, int pageFrom, int pageTo)
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setCupsOptions(printer, cupsOptions);
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}
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bool QCUPSSupport::printerHasPPD(const char *printerName)
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{
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if (!isAvailable())
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return false;
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const char *ppdFile = _cupsGetPPD(printerName);
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if (ppdFile)
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unlink(ppdFile);
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return (ppdFile != 0);
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}
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QString QCUPSSupport::unicodeString(const char *s)
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{
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#ifndef QT_NO_TEXTCODEC
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return codec->toUnicode(s);
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#else
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return QLatin1String(s);
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#endif
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}
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void QCUPSSupport::collectMarkedOptions(QStringList& list, const ppd_group_t* group) const
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{
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if (group == 0) {
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if (!currPPD)
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return;
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for (int i = 0; i < currPPD->num_groups; ++i) {
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collectMarkedOptions(list, &currPPD->groups[i]);
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collectMarkedOptionsHelper(list, &currPPD->groups[i]);
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}
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} else {
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for (int i = 0; i < group->num_subgroups; ++i)
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collectMarkedOptionsHelper(list, &group->subgroups[i]);
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}
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}
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void QCUPSSupport::collectMarkedOptionsHelper(QStringList& list, const ppd_group_t* group) const
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{
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for (int i = 0; i < group->num_options; ++i) {
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for (int j = 0; j < group->options[i].num_choices; ++j) {
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if (group->options[i].choices[j].marked == 1 && qstrcmp(group->options[i].choices[j].choice, group->options[i].defchoice) != 0)
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list << QString::fromLocal8Bit(group->options[i].keyword) << QString::fromLocal8Bit(group->options[i].choices[j].choice);
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}
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}
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}
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QPair<int, QString> QCUPSSupport::tempFd()
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{
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char filename[512];
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int fd = _cupsTempFd(filename, 512);
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return QPair<int, QString>(fd, QString::fromLocal8Bit(filename));
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}
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// Prints the given file and returns a job id.
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int QCUPSSupport::printFile(const char * printerName, const char * filename, const char * title,
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int num_options, cups_option_t * options)
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{
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return _cupsPrintFile(printerName, filename, title, num_options, options);
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}
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QCUPSSupport::Printer::Printer(const QString &n) : name(n), isDefault(false), cupsPrinterIndex(-1)
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{
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}
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QList<QCUPSSupport::Printer> QCUPSSupport::availableUnixPrinters()
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{
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QList<Printer> printers;
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if (QCUPSSupport::isAvailable()) {
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QCUPSSupport cups;
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int cupsPrinterCount = cups.availablePrintersCount();
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const cups_dest_t* cupsPrinters = cups.availablePrinters();
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for (int i = 0; i < cupsPrinterCount; ++i) {
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QString printerName(QString::fromLocal8Bit(cupsPrinters[i].name));
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if (cupsPrinters[i].instance)
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printerName += QLatin1Char('/') + QString::fromLocal8Bit(cupsPrinters[i].instance);
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Printer p(printerName);
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if (cupsPrinters[i].is_default)
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p.isDefault = true;
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p.cupsPrinterIndex = i;
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printers.append(p);
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}
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}
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return printers;
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}
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// preserve names in ascending order for the binary search
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static const struct NamedPaperSize {
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const char *const name;
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QPrinter::PaperSize size;
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} named_sizes_map[QPrinter::NPageSize] = {
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{ "A0", QPrinter::A0 },
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{ "A1", QPrinter::A1 },
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{ "A2", QPrinter::A2 },
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{ "A3", QPrinter::A3 },
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{ "A4", QPrinter::A4 },
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{ "A5", QPrinter::A5 },
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{ "A6", QPrinter::A6 },
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{ "A7", QPrinter::A7 },
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{ "A8", QPrinter::A8 },
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{ "A9", QPrinter::A9 },
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{ "B0", QPrinter::B0 },
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{ "B1", QPrinter::B1 },
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{ "B10", QPrinter::B10 },
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{ "B2", QPrinter::B2 },
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{ "B4", QPrinter::B4 },
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{ "B5", QPrinter::B5 },
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{ "B6", QPrinter::B6 },
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{ "B7", QPrinter::B7 },
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{ "B8", QPrinter::B8 },
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{ "B9", QPrinter::B9 },
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{ "C5E", QPrinter::C5E },
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{ "Comm10E", QPrinter::Comm10E },
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{ "Custom", QPrinter::Custom },
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{ "DLE", QPrinter::DLE },
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{ "Executive", QPrinter::Executive },
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{ "Folio", QPrinter::Folio },
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{ "Ledger", QPrinter::Ledger },
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{ "Legal", QPrinter::Legal },
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||||
{ "Letter", QPrinter::Letter },
|
||||
{ "Tabloid", QPrinter::Tabloid }
|
||||
};
|
||||
|
||||
inline bool operator<(const char *name, const NamedPaperSize &data)
|
||||
{ return qstrcmp(name, data.name) < 0; }
|
||||
inline bool operator<(const NamedPaperSize &data, const char *name)
|
||||
{ return qstrcmp(data.name, name) < 0; }
|
||||
|
||||
static inline QPrinter::PaperSize string2PaperSize(const char *name)
|
||||
{
|
||||
const NamedPaperSize *r = std::lower_bound(named_sizes_map, named_sizes_map + QPrinter::NPageSize, name);
|
||||
if ((r != named_sizes_map + QPrinter::NPageSize) && !(name < *r))
|
||||
return r->size;
|
||||
return QPrinter::Custom;
|
||||
}
|
||||
|
||||
QList<QPrinter::PaperSize> QCUPSSupport::getCupsPrinterPaperSizes(int cupsPrinterIndex)
|
||||
{
|
||||
QList<QPrinter::PaperSize> result;
|
||||
if (!QCUPSSupport::isAvailable() || cupsPrinterIndex < 0)
|
||||
return result;
|
||||
// Find paper sizes from CUPS.
|
||||
QCUPSSupport cups;
|
||||
cups.setCurrentPrinter(cupsPrinterIndex);
|
||||
if (const ppd_option_t* size = cups.pageSizes()) {
|
||||
for (int j = 0; j < size->num_choices; ++j)
|
||||
result.append(string2PaperSize(size->choices[j].choice));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
QList<QPair<QString, QSizeF> > QCUPSSupport::getCupsPrinterPaperSizesWithNames(int cupsPrinterIndex)
|
||||
{
|
||||
QList<QPair<QString, QSizeF> > result;
|
||||
if (!QCUPSSupport::isAvailable() || cupsPrinterIndex < 0)
|
||||
return result;
|
||||
// Find paper sizes from CUPS.
|
||||
QCUPSSupport cups;
|
||||
cups.setCurrentPrinter(cupsPrinterIndex);
|
||||
if (const ppd_option_t* size = cups.pageSizes()) {
|
||||
for (int j = 0; j < size->num_choices; ++j) {
|
||||
double multiplier = qt_multiplierForUnit(QPrinter::Millimeter, 0); // resolution is not needed here
|
||||
QSize sz = cups.paperRect(size->choices[j].choice).size();
|
||||
result.append(qMakePair(QString::fromUtf8(size->choices[j].text), QSizeF(sz.width() / multiplier, sz.height() / multiplier)));
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
||||
#endif // QT_NO_CUPS
|
||||
|
||||
@ -54,15 +54,10 @@
|
||||
//
|
||||
#include "QtCore/qstring.h"
|
||||
#include "QtCore/qstringlist.h"
|
||||
#include "QtCore/qpair.h"
|
||||
#include "QtPrintSupport/qprinter.h"
|
||||
#include "QtCore/qdatetime.h"
|
||||
|
||||
#ifndef QT_NO_CUPS
|
||||
#include <QtCore/qlibrary.h>
|
||||
#include <cups/cups.h>
|
||||
#include <cups/ppd.h>
|
||||
#include "qprintengine.h"
|
||||
|
||||
QT_BEGIN_NAMESPACE
|
||||
|
||||
@ -72,22 +67,9 @@ QT_BEGIN_NAMESPACE
|
||||
// removed from the dialogs.
|
||||
#define PPK_CupsOptions QPrintEngine::PrintEnginePropertyKey(0xfe00)
|
||||
|
||||
Q_DECLARE_TYPEINFO(cups_option_t, Q_MOVABLE_TYPE | Q_PRIMITIVE_TYPE);
|
||||
|
||||
class Q_PRINTSUPPORT_EXPORT QCUPSSupport
|
||||
{
|
||||
public:
|
||||
struct Printer
|
||||
{
|
||||
Printer(const QString &name = QString());
|
||||
|
||||
QString name;
|
||||
bool isDefault;
|
||||
int cupsPrinterIndex;
|
||||
};
|
||||
QCUPSSupport();
|
||||
~QCUPSSupport();
|
||||
|
||||
// Enum for values of job-hold-until option
|
||||
enum JobHoldUntil {
|
||||
NoHold = 0, //CUPS Default
|
||||
@ -140,28 +122,6 @@ public:
|
||||
TopToBottomRightToLeft
|
||||
};
|
||||
|
||||
static bool isAvailable();
|
||||
static int cupsVersion() { return isAvailable() ? CUPS_VERSION_MAJOR*10000+CUPS_VERSION_MINOR*100+CUPS_VERSION_PATCH : 0; }
|
||||
int availablePrintersCount() const;
|
||||
const cups_dest_t* availablePrinters() const;
|
||||
int currentPrinterIndex() const;
|
||||
const ppd_file_t* setCurrentPrinter(int index);
|
||||
const ppd_file_t* setCurrentPrinter(const QString &printerName);
|
||||
|
||||
const ppd_file_t* currentPPD() const;
|
||||
const ppd_option_t* ppdOption(const char *key) const;
|
||||
|
||||
const cups_option_t* printerOption(const QString &key) const;
|
||||
const ppd_option_t* pageSizes() const;
|
||||
|
||||
int markOption(const char* name, const char* value);
|
||||
void saveOptions(QList<const ppd_option_t*> options, QList<const char*> markedOptions);
|
||||
|
||||
QRect paperRect(const char *choice) const;
|
||||
QRect pageRect(const char *choice) const;
|
||||
|
||||
QStringList options() const;
|
||||
|
||||
static QStringList cupsOptionsList(QPrinter *printer);
|
||||
static void setCupsOptions(QPrinter *printer, const QStringList &cupsOptions);
|
||||
static void setCupsOption(QStringList &cupsOptions, const QString &option, const QString &value);
|
||||
@ -174,31 +134,6 @@ public:
|
||||
static void setPagesPerSheetLayout(QPrinter *printer, const PagesPerSheet pagesPerSheet,
|
||||
const PagesPerSheetLayout pagesPerSheetLayout);
|
||||
static void setPageRange(QPrinter *printer, int pageFrom, int pageTo);
|
||||
|
||||
static bool printerHasPPD(const char *printerName);
|
||||
|
||||
QString unicodeString(const char *s);
|
||||
|
||||
QPair<int, QString> tempFd();
|
||||
int printFile(const char * printerName, const char * filename, const char * title,
|
||||
int num_options, cups_option_t * options);
|
||||
|
||||
static QList<Printer> availableUnixPrinters();
|
||||
static QList<QPrinter::PaperSize> getCupsPrinterPaperSizes(int cupsPrinterIndex);
|
||||
static QList<QPair<QString, QSizeF> > getCupsPrinterPaperSizesWithNames(int cupsPrinterIndex);
|
||||
|
||||
private:
|
||||
void collectMarkedOptions(QStringList& list, const ppd_group_t* group = 0) const;
|
||||
void collectMarkedOptionsHelper(QStringList& list, const ppd_group_t* group) const;
|
||||
|
||||
int prnCount;
|
||||
cups_dest_t *printers;
|
||||
const ppd_option_t* page_sizes;
|
||||
int currPrinterIndex;
|
||||
ppd_file_t *currPPD;
|
||||
#ifndef QT_NO_TEXTCODEC
|
||||
QTextCodec *codec;
|
||||
#endif
|
||||
};
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
||||
Loading…
Reference in New Issue
Block a user